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35 Easy Science Experiments You Can Do Today!

Looking for easy science experiments to do at home or in the classroom? You’re in luck because we’ve got over 35 easy science activities for kids that will help you make science fun for all ages. 

Most of these simple science experiments for kids are easy to prepare, quick to perform, and use household items or inexpensive materials you can find almost anywhere. To connect the fun to the “why it works” you’ll find an easy to teach explanation with every experiment!

Musical Jars Science Experiment 

This super easy experiment is simple as it is fun! Kids make their own musical instruments with clear jars and water then investigate sound waves, pitch, and more.

When the experiment is complete, use the colorful new “instrument” for a fun music lesson. Kids can play and take turns to “name that tune”!

Detailed Instructions & Video Tutorial ->  Musical Jars Science Experiment

Viscosity of Liquids Science Experiment

Viscosity may be a confusing term for kids at first, but this super easy experiment can help them see viscosity in action!

With marbles, clear jars, and a few household materials, kids will make predictions, record data, and compare the results while they test high and low density liquids.

Detailed Instructions & Video Tutorial ->   Viscosity Science Experiment

Floating Egg Science Experiment

Can a solid egg float? Kids can find the answer and understand why with this quick science experiment. 

Discover just how easy it can be to make a raw egg float while testing the laws of density. We’ve included additional ideas to try so kids can make predictions and test the concept further.

Detailed Instructions & Video Tutorial ->   Floating Egg Science Experiment

Paper Towel Dry Under Water Experiment

Is it possible to keep a paper towel dry even when submerging it under water? The answer is a surprising “yes,” if you use science to help!

Start with the properties of your materials, make a prediction, then explore matter, density, volume, and more.

Detailed Instructions & Video Tutorial ->   Paper Towel Dry Under Water Experiment

Mixing Oil & Water Science Experiment

This simple experiment for kids helps them better understand density and the changes that happen when adding an emulsifier to the mix. 

Detailed Instructions & Video Tutorial ->   Mixing Oil & Water Experiment

Will it Float or Sink Science Experiment

Will it sink or will it float? This fun experiment challenges what students think they know about household items!

Students record their hypothesis for each item then test it to compare what they think will happen against their observations.

Detailed Instructions & Video Tutorial -> Float or Sink Science Experiment

Water Temperature Science Experiment

What does thermal energy look like? In this easy science experiment, kids are able to see thermal energy as they explore the concept in action.

With clear jars and food coloring, students can quickly see how molecules move differently through hot and cold water.

Detailed Instructions & Video Tutorial -> Water Temperature Science Experiment

Balloon Blow-up Science Experiment

Kids will discover how matter reacts when heated and cooled as they watch with surprise as baking soda and vinegar blow the balloon up before their eyes.

Detailed Instructions & Video Tutorial -> Balloon Blow-up Science Experiment

Floating Ping Pong Ball Science Experiment

Kids will giggle with joy with this super easy experiment. With only a ping pong ball and a hair dryer, students will have a great time while exploring Bernoulli’s Principle in action. 

We’ve included additional ideas to further explore the concept with different objects and observe the change in results.

Detailed Instructions & Video Tutorial -> Floating Ping Pong Ball Science Experiment

Hair Stand on End Science Experiment

It’s especially fun for those who’ve never seen static electricity in action before!

Detailed Instructions & Video Tutorial -> Hair Stand on End Science Experiment

Oil Bubbles in Water Science Experiment

Kids explore density and experience some chemistry when creating oil bubbles in water with everyday household items.

This experiment is particularly fun when kids see that they’ve made what looks like a lava lamp!

Detailed Instructions & Video Tutorial ->  Oil Bubbles in Water Science Experiment

Color Changing Water Science Experiment

Kids will be surprised as they watch a new color being “created” without mixing! Using only a clear bowl and glass, some food coloring, and water, this super easy science experiment is quick and easy with a huge wow factor. 

Try it with yellow and blue to follow along with our demonstration video then try different primary color combinations and explore the results.

Detailed Instructions & Video Tutorial ->  Color Changing Water Science Experiment

Magnetic Paper Clip Chain Science Experiment

It may seem a bit like magic but it’s actually science! It’s not hard to capture your kids’ attention with this quick and easy science experiment as they watch paper clips “stick” together and form a chain!

Perfect for younger children, the experiment only takes a few minutes and is a fun way to explore the concept of magnetic transference.

Detailed Instructions & Video Tutorial ->  Magnetic Paper Clip Chain Science Experiment

Is it Magnetic Science Experiment

With only a magnet and a few household items, kids will make and record their predictions, test and observe, then compare what they think is magnetic against the results.

Simple and quick, but some of the results may surprise your students!

Cloud in a Jar Experiment

This simple experiment only requires a few materials but really holds student attention as a cloud forms before their eyes!

Kids will learn new weather vocabulary as they explore how physical changes and reactions happen as clouds begin to take form. We’ve also included a helpful chart on the types of clouds.

Detailed Instructions & Video Tutorial ->  Cloud in a Jar Science Experiment

Magic Milk Science Experiment

Create a dancing rainbow of colors with this easy science experiment for kids!

Using only a few ordinary kitchen items, your students can create a color explosion in ordinary milk when they add our special ingredient. (Hint: The special ingredient (soap!) includes hydrophilic and hydrophobic molecules that make the magic happen!)

Detailed Instructions & Video Tutorial ->  Magic Milk Science Experiment

Walking Water Science Experiment

Water can’t really walk upwards against gravity, but this cool science experiment makes it seem like it can! 

Kids are able to see the capillary action process and learn how attraction and adhesive forces in action allow water to move out of one glass into another. 

Detailed Instructions & Video Tutorial -> Walking Water Science Experiment

Light Refraction Science Experiment

The results of this easy science experiment are so amazing, it makes kids (and adults) think it must be magic!

Young scientists watch in surprise while they see an arrow change directions instantly. Investigating refraction couldn’t be more fun!

Detailed Instructions & Video Tutorial -> Light Refraction Science Experiment

Dancing Raisins Experiment

Learn about the reactions of buoyancy and density in this simple science activity for kids. 

They may not need dancing shoes, but give them a glass of soda pop and the raisins in this fun experiment love to dance!

Detailed Instructions & Video Tutorial -> Dancing Raisins Science Experiment

See Sound Experiment

Kids love this experiment because they are encouraged to drum loudly so they can “see” sound waves in action!

Detailed Instructions & Video Tutorial -> See Sound Science Experiment

Elephant Toothpaste Science Experiment

Grab some giant brushes and get ready to make elephant toothpaste! Although you might not be able to get an elephant excited by this super easy experiment, kids love it!

The impressive and quick results created by the chemical reaction and the heat released in the process makes an abundant amount of fun and colorful foam!

Detailed Instructions & Video Tutorial -> Elephant Toothpaste Science Experiment

Upside Down Glass of Water Science Experiment

We all know what happens when we turn a glass of water upside down, but what if I told you you can do it without the water spilling out?

The experiment only requires a few common items and you’ll be amazed by the results of air pressure in action!

Detailed Instructions & Video Tutorial -> Upside Down Glass of Water Science Experiment

Pick up Ball with a Jar Science Experiment

It almost seems like magic but with the help of science, you can pick up a ball with an open jar!

Instead of magic, this easy science activity uses centripetal force and practice to do what seems like the impossible. 

Detailed Instructions & Video Tutorial -> Pick up Ball with a Jar Experiment

Will It Melt Science Experiment

Can you guess which items will melt? This easy outside experiment challenges what students think they know about the effects of the sun.

Pepper Move Science Experiment

Can you make pepper move and zoom away with just a light touch of your finger? With science you can!

This experiment only takes a few quick minutes from beginning to end, but the reaction caused by surface tension makes kids want to do it over and over. 

Detailed Instructions & Video Tutorial ->  Pepper Move Science Experiment

Crush a Plastic Bottle Science Experiment

Go for it, crush that bottle, but don’t touch it! Although it usually can’t be seen or touched, air pressure is pushing against all surfaces at all times.

With this easy science activity kids can see air pressure at work when they watch a bottle crushes itself!

Detailed Instructions & Video Tutorial -> Crush a Plastic Bottle Science Experiment

Egg in Vinegar Science Experiment

This vinegar science experiment will have your eggs and kids bouncing (with excitement!) before you know it!

Kids can watch and explore the results of chemical reactions as the egg changes from something that seems solid into what feels like something bouncy!

Detailed Instructions & Video Tutorial -> Egg in Vinegar Science Experiment

Straw Through a Potato Science Experiment

Can you make a normal plastic straw go into a raw, solid potato? It seems like something impossible, but science can easily make it possible!

Pick your potatoes then let kids try their strength as they explore air pressure with this super easy experiment.

Detailed Instructions & Video Tutorial -> Straw Through a Potato Science Experiment

Rainbow in a Jar Science Experiment

With only a few household items, they’ll explore mass, volume, and density with every color layer!

Detailed Instructions & Video Tutorial -> Rainbow in a Jar Experiment

Tornado in a Bottle Science Experiment

Kids can have fun while learning more about centripetal force with this fun experiment.

With a little muscle and science, kids watch with amazement as they create their own glitter cyclone in a bottle as the centripetal force vortex appears.

Detailed Instructions & Video Tutorial -> Tornado in a Bottle Science Experiment

Why Doesn’t the Water Leak Science Experiment

Can you poke holes in a plastic bag full of water without the water leaking out? With this super easy science activity you can!

Kids are stunned as they learn about polymers and how they can do what seems to be impossible.

Detailed Instructions & Video Tutorial -> Why Doesn’t the Water Leak Science Experiment

Use a Bottle to Blow-up a Balloon Experiment

Is it possible to blow up a balloon with only water and science? 

In this super easy experiment, kids learn more about how matter behaves as they watch a balloon inflate and deflate as a result of matter being heated and cooled.

Detailed Instructions & Video Tutorial -> Use a Bottle to Blow-up a Balloon Experiment

Orange Float Science Experiment

Kids explore buoyancy as they learn about and test density in this sink or float science activity.

While it only takes a few minutes, this super easy experiment invites kids to predict what they think will happen then discuss why the heavier orange floats!

Detailed Instructions & Video Tutorial -> Orange Float Science Experiment

Pick up Ice with String Science Experiment

With only a few household items, kids learn about freezing temperatures and the results they create in saltwater versus freshwater.

Detailed Instructions & Video Tutorial -> Pick Up Ice with String Science Experiment

Color Changing Walking Water Experiment

Using the concepts explored in our popular Walking Water Science Experiment, kids will see color walk from one glass to another and change colors as it goes!

The quick experiment seems to defy gravity like magic, but don’t worry, kids can find out how science makes it work!

Detailed Instructions & Video Tutorial -> Color Changing Walking Water Experiment

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Hands On As We Grow®

Hands on kids activities for hands on moms. Focusing on kids activities perfect for toddlers and preschoolers.

50 Amazingly Simple Science Experiments for Kids at Home

Science Kindergartners Preschoolers Experiment Resources 30 Comments

Kids love experimenting , and these 50 simple science experiments for kids at home from Brigitte are perfect for all ages! Plus, you probably already have the basic supplies at home.

My daughters and I have had a lot of fun doing science experiments. Each year when we create our spring and summer list , we make sure to include “science days” which are days filled with science experiments.

Sometimes our science experiments don’t work according to plan, but I have been told that all scientists have failures with experiments from time to time.

It’s okay if they aren’t all successes.

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50 Simple Science Experiments with Supplies You Already Have

I love these 50 simple science experiments for you to try with your little scientists. They all use basic household supplies that you probably already have at home!

Most of these are experiments my daughters and I have done together. I hope you enjoy them as much as we have!

Get little ones involved with these easy toddler-friendly science experiment ideas!

Simple Science Experiments with Water

Not only can water  be a blast to play in, but water plus a few basic supplies equals a lot of science fun!

• Make an orange sink and float with an orange buoyancy experiment from Playdough to Plato.
• Compare the amount of salt in different types of water with this salty egg experiment  as seen on Uplifting Mayhem.
• Do a little more sinking or floating with a fun sink or float experiment  even toddlers can do from Hands On As We Grow.
• Use the free printable to record what sinks or floats in an outdoor experiment from Buggy and Buddy.
• Create some beautiful pieces of paper with this rainbow paper experiment from Science Kiddo.
• Talk about solutions as you try the “what dissolves in water” experiment  as seen on Hands On As We Grow.
• Learn about water absorption with this simple experiment from Little Bins for Little Hands.
• Mix some fun colors with this oil and water experiment  from Fun Learning for Kids.
• Make your own lava lamp , just like on  Hands On As We Grow.
• Can you keep all the water in the bag? Try it with a  leak-proof bag experiment  as seen on Hands On As We Grow.
• Learn about surface tension with this  magic finger pepper experiment  found on Hands On As We Grow.
• Make your own  water cycle in a bottle  as seen on A Dab of Glue Will Do.

Simple Science Experiments with Baking Soda and Vinegar

Baking soda + vinegar = a great chemical reaction! This fizzy reaction can fuel a variety of simple science experiments at home.

First of all, we have tested and found out the absolute best combination of baking soda and vinegar to get the best reaction possible. It makes a difference if you add vinegar to baking soda or vice versa! And how much you use!

• Inflate a balloon without blowing into it with a baking soda and vinegar balloon experiment  as seen on Little Bins for Little Hands.
• Practice colors as you do a baking soda and vinegar with color experiment as seen on Hands On As We Grow.
• Have fun outside with an outdoor volcano eruption  as seen on Preschool Inspirations.
• Have more volcano fun by making apple volcanoes as seen on The Resourceful Mama.
• Learn about acids and bases and the chemical reaction that occurs when you make apple seeds dance with a   jumping apple seeds experiment  as seen on JDaniel4s Mom.
• Watch some rice dance with a   dancing rice experiment as seen on Green Kid Crafts.
• Continue your dance party by making raisins dance with a dancing raisin experiment  as seen on 123 Homeschool 4 Me. What other items can you get to dance?
• Learn more about acids and bases by dissolving a sea shell as seen on Teach Beside Me.
• Make an egg shell disappear with this disappearing egg activity  as seen on Premeditated Leftovers.
• See how far you can launch a soda bottle with this baking soda powered boat as seen on Science Sparks.
• Make your own rocks (or eggs) with this fizzy treasure rocks experiment as seen on Living Life and Learning.
• Have some fun this summer with this frozen vinegar experiment as seen on Inspiration Laboratories.

Plant Themed Simple Science Experiments

Enjoy learning about seeds, plant parts, and how plants grow with these simple science experiments.

• Learn about how plants soak up water through their stems with a flower experiment for kids  from Growing A Jeweled Rose.
• Watch seeds sprout as you grow seeds in a jar  as seen on Teaching Mama.
• Learn about the parts of the seed with a seed coat experiment as seen on Gift of Curiosity.
• Build a house out of sponges and then watch it sprout with this sprout house as seen on The Stem Laboratory.
• Learn what liquids allow seeds to grow the best with this seed experiment  as seen on Gift of Curiosity.
• Explore how plants grow towards the light with this shoe-box maze experiment from Plants for Kids.

Animal Themed Simple Science Experiments

Learning about animals can be even more fun with some simple hands-on simple science experiments.

• Find out more about giraffes and create some giraffe spots  as seen on Preschool Powol Packets.
• Learn about how animals in the Arctic keep warm by making an arctic glove  as seen on Steve Spangler Science.
• Discover how penguins stay dry with a penguin feather experiment as seen on Raising Little Superheroes.
• Learn about different bird beaks with a bird beak experiment as seen on Blessed Beyond a Doubt.
• Explore how fish (and hermit crabs) breathe with this gill experiment  as seen on Preschool Powol Packets.
• Learn about sharks with a   shark buoyancy experiment as seen on Little Bins for Little Hands.

Even More Simple Science Experiment for Kids at Home!

If you are still looking for more science fun, you may enjoy the following simple science experiments.

• Find out how sugary drinks hurt teeth with an  eggs-periment  as seen on Feels Like Home Blog.
• Discover geodes (the state rock of Iowa) with this eggshell geode crystal experiment  as seen on Science Bob.
• Learn about air pressure with an egg and bottle experiment  as seen on Science Sparks.
• Find out what causes an apple to brown with this apple science experiment  as seen on Teach Beside Me.
• Make an  edible bubble apple with an experiment as seen on Preschool Powol Packet.
• Learn more about surface tension with a penny and water experiment  as seen on Artful Parent.
• Mix colors like magic with this color changing milk experiment  from Hands On As We Grow.
• Blow up a balloon with this soda and balloon experiment from Learn Play Imagine.
• Practice letters by making beautiful crystal letters as seen on Books and Giggles.
• Make your own indoor hovercraft  as seen on Living Life and Learning.
• Learn about colors with this beautiful butterfly chromatography craft  as seen on Buggy and Buddy.
• Make soap souffle  as seen on Steve Spangler Science.
• After talking about liquids and solids (and finding them in your own home), create oobleck  as seen on Babble Dabble Do. Is it a liquid, or is it a solid?
• Learn about frost by making some indoor frost as seen on Little Bin for Little Hands.
• Make your own homemade butter in a jar as seen on Happy Hooligans.

What scientific experiment will you try first?

About Brigitte Brulz

Brigitte Brulz is a homeschooling mom of two daughters, wife of her high school sweetheart, and author of Jobs of a Preschooler and Pickles, Pickles, I Like Pickles. She offers free coloring pages and activity ideas on her website at BrigitteBrulz.com .

More Hands on Kids Activities to Try

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30 comments.

college brawl says

March 13, 2024 at 1:05 am

Wow, these experiments look like so much fun! I can’t wait to try them out with my kids. We’re always looking for new and creative ways to learn about science at home, and these experiments look like they’ll be perfect for us. Thanks for sharing! 😊

threadsBay says

August 31, 2023 at 3:13 am

I love science experiments! This one is really simple and easy to do.

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Science Fun

Science Experiments for Kids:

Science experiments you can do at home!  Explore an ever growing list of hundreds of fun and easy science experiments. Have fun trying these experiments at home or use them for science fair project ideas. Explore experiments by category, newest experiments, most popular experiments, easy at home experiments, or simply scroll down this page for tons of awesome experiment ideas!

Making A Volcano:

Acids and Bases Can Erupt in Your Faces

Orange Fizz:

Awesome Experiments:

New Experiments:

Check Out Our Newest Experiments

Top Experiments:

Easy Experiments:

Storm In A Glass:

Home Made Play Dough:

Snow Fluff:

Snow Globe:

Squishy Turkeys:

Rainbow in a Glass:

Sizzlin’ Snowballs:

Jello Lenses:

Ice Fishing:

Super Cool Soda:

Jack-O-Cano:

Dancing Hearts:

Marbled Gift Wrap:

Massive Expanding Soap:

Surface Tension Art:

Fizzy Fruit:

Rotting Pumpkin:

Explode A Bag:

Invisible Extinguisher:

Paper Hovercrafts:

Fun Fossil Stamps:

Cool Crystals:

Balloon Pop! Not!

Solar Eclipse Kit:

Moldy Apples:

Cool Off Volcanoes:

Vinegar Pops:

Make It Rain:

Black Light Blue Beverage:

Changing of the Leaves:

Snowflakes:

Water Fireworks:

Mind of a Student:

Balloon Speakers:

Polar Bear Blubber:

Gorgeous Gooey Gobstoppers:

Olympic Medals:

Dyed Flowers:

Rain, Rain, Don’t Go Away Gauge:

Blossoming Beans:

Butter Fingers:

Polishing Pennies:

Dancing Liquid:

Floating Egg:

Bendy Bones:

Pot Of Gold:

Layers of Liquids:

Crystal Candy:

100 Easy Science Experiments for Kids to do at Home (2024)

Welcome, young scientists!

If you’ve arrived here today, you’re probably looking for easy science experiments for kids that you can do at home. 

The only problem? So many experiments require obscure ingredients that are hard to find or require planning.

Good news! There are literally hundreds of simple science experiments & STEM activities you can do at home, with materials you already have on hand.

We scoured the internet and practiced these experiments with our own young kids to test them out and make sure they were good ones. They’re super educational and so much fun for kids of all ages!

Each of these easy STEM challenges and science experiments will take about 30 minutes to complete from start to finish, and they’re a great way to teach simple science concepts that your kids will use in school.

The best part? They each use simple ingredients from around the house like food coloring, dish soap, paper towels, ice cubes, rubber bands, white vinegar, vegetable oil, and baking soda.

So, let’s dive in to our giant list of 100 fun science experiments for kids!

1. Traveling Rainbows

This colorful experiment is an easy way of demonstrating capillary action, water travel, and color mixing. Kids of all ages will love watching the color move through the paper towel on its own, and they’ll have a better idea of how plants get their nutrients.

What You need:

• 6 glasses or jars
• Paper towels
• Food coloring (red, yellow, & blue)

2. Homemade Lava Lamp

This simple lava lamp experiment is especially a hit with kids ages 4-12 (and beyond!), and it will take their favorite adults back a few decades, too! It’s a fun way to learn about density.

What You Need:

• A clean plastic bottle or glass jar
• Vegetable Oil
• Baking Soda
• Food Coloring

3. Jumping Pepper!

Have you ever seen pepper jump ? You’re about to! This simple experience using water, soap, and black pepper will get kids of all ages exploring the concept of surface tension.

• black pepper
• a plate or bowl
• liquid soap

4. Invisible Ink

In this fun experiment, your kids can write a secret message with invisible ink that they will learn how to reveal scientifically. Like all of these at-home science experiments, you need only basic materials, and it’s sure to be a big hit.

• Cotton swab
• lamp or light bulb
• plain white paper
• bowl or cup
• lemon juice

5. Mini Volcanos

This super easy baking soda and vinegar volcano eruption is a real crowd-pleaser for kids of all ages, and your kids will be begging to do it over and over again!

All you need is a few very basic household ingredients, and your colorful volcano will be erupting in no time. It only takes about three minutes to prep.

Ingredients

• Plastic cup
• 3-4 Tbs of baking soda at least
• 1 tsp of dish soap
• Food coloring (or washable paint if you want to avoid staining)
• 1 cup (8 oz) of Vinegar

6. Elephant Toothpaste

H ave you heard of the elephant toothpaste experiment yet? It’s a blast! You will need an adult for this experiment. Kids of all ages will love learning about catalysts and exothermic reactions in this simple fun science activity.

• 16-oz plastic soda bottle
• 1/2 cup 20-volume of 6% solution hydrogen peroxide liquid
• 1 Tablespoon dry yeast
• 3 Tablespoons of warm water
• Liquid dish soap

Food coloring

• Safety goggles

7. Dry Erase Marker Magic

Bring your drawings to life with nothing more than a glass plate, a dry erase marker, and a little water! Dive into this magical and straightforward dry erase marker experiment that will not only wow the kids but also ignite their curiosity about chemistry and physics. 

8. Light Refraction Magic

This super simple science experiment is really more of a magic trick, and it will teach your kids all about light refraction.

• Piece of Paper

9. Skittle Heart Experiment

This visually stunning experiment is not only a treat to watch but also a great way to explore concepts of water solubility and color mixing. Let’s dive into the simple Skittle Heart Experiment that will capture your kids’ hearts.

10. Dancing Raisins

Home science experiments don’t have to be complicated. In this very easy science experiment that’s perfect for young kids, you’ll need a few simple ingredients that you probably already have in your household: clear soda, a glass of water, and a handful of raisins. With these simple ingredients, you’ll produce chemical reactions that your kids can watch in real time!

What You’ll Need:

• A clear glass of water
• Handful of raisins

11. Rainbow Celery

Got some celery in the fridge? Then you can begin to l earn about capillary action with a simple and colorful color-changing celery experiment . It’s a really cool project that your kids are sure to remember for years to come!

What you need:

• Glasses of water

12. Homemade Slime

What kid doesn’t love slime? This is one of our favorite science experiments because it’s a sure kid-pleaser! In this basic recipe , you can make some of your own right in your kitchen, and have fun squeezing it with your bare hands all day long.

Slime has quickly become one of those classic science experiments that every family should try at least once!

• White school glue
• food coloring

13 . Shiny Pennies

You definitely have some dirty pennies lying around your house, so let’s put them to good use in a classic science experiment that even young kids can enjoy. Pennies are copper, and they are often in circulation for years (yuck!), so they often appear very tarnished. In this experience, you’re going to see if soap or vinegar (or other liquids) do a better job at cleaning the exterior of the dirty copper penny.

What You’ll Need

• dirty pennies
• 2 paper cups
• Paper towel
• Different liquids from around the house (ketchup, soda, Diet Coke, etc.)

14. Orange Fizz

Discover orange fizz bubbles popping inside of your mouth! This sensory experiment is really fun for learning about acids and bases. And hardly any materials are needed.

• Orange or clementine
• 1/2 teaspoon baking soda

15. Exploding Soap

The Exploding Soap experiment is a surefire hit with all ages, and all you need is soap and microwave! (And a little help from your parents.)

16. Sink or Float?

Kids of all ages – but especially young children – will love this easy science experiment that builds a foundation to understanding density. This is one of our favorite science activities for the little ones!

• Two glasses of water
• Small items from around the house
• A piece of paper and a pen

17. Mixing Impossible

This super easy experiment involves mixing equal parts oil and water and adding a drop of food coloring to see what happens. Kids will love watching the food coloring make it through the oil. You will love how easy it is to set up and clean up!

• Several drinking glasses
• vegetable oil
• liquid food coloring
• a toothpick (if you have it)

18. Exploring Colors With Baking Soda / Vinegar

I n this science activity for kids of all ages, your little scientists will create a chemical reaction, explore color mixing, AND create colorful artwork. Triple win!

• Tray (A baking sheet will do)
• Baking soda
• White vinegar
• Ice Cube Trays or other containers to hold the colored vinegar
• Pipettes or eye droppers
• Liquid watercolors or food coloring

19. Water Cycle In A Bag

This is one of the best science experiments to teach your kids about the water cycle, and it’s so easy to do! They’ll watch the water cycle in a bag play out right before their eyes.

• Zip lock bag
• permanent marker
• blue food coloring

20. Tie-Dye

Who would have thought that everyone’s favorite t-shirt pattern is actually a great science lesson, too? As your child dyes the shirt, they’ll be observing water solubility and absorption in real time. The dyes are fiber-reactive, which means that a chemical reaction takes places between the dye molecules and fabric molecules so that they actually become one. The dye bonds with the fabric and actually becomes a part of it.  

• White T-shirt or pillowcase
• Buckets or bins filled with water
• Rubberbands
• Plastic gloves

Here are 10 Easy Tie-Dye Patterns For Kids . To learn how to wash and care for your tie-dye shirt, click here . 

21. Static Electricity Hair

Want to provide your kids with (literally) hair-raising good time? It’s super simple to teach your kids about static electricity with this easy, no-mess science activity.

• an inflated balloon
• a piece of cloth

Rub the surface of the balloon with the cloth for at least40 seconds. Then, hold the balloon a short distance above your head and watch your hair stick to it!

What’s Happening:

T he balloon gains electrons from the cloth and becomes negatively-charged when you rub it together. Then, when the balloon touches you hair, it attracts your hair, which is positively charged.

22. What’s That Mystery Object?

The process of using your sense of touch is very important to the scientific method. In this experiment, you’ll use your sense of touch to see how many different textures you can recognize.

• A grown-up or friend to help
• A blindfold
• A “feely” bag that you can’t see through

Small objects from around the house that have different textures, such as: a plastic bag, a water bottle, a banana, a piece of paper, a cell phone, a rubber ball, a cotton ball, a tooth brush, a washcloth, etc. Try to find objects of different materials like velvet, wool, cotton, leather, metal objects, wooden spoons or toys, pieces of aluminum foil, and other interesting objects and textures.

First, put on your blindfold. The next step is to have a grown up or friend put a mystery object in the bag for you to fell. Can you guess what each object is?

23. Sugar Water Rainbows

This science experiment is especially meant for older kids, but it can me modified for kids of all ages. Your kids will love this colorful experience about density and buoyancy, and all you need are some common household ingredients.

• food colorings (preferably in rainbow colors including red, orange, yellow, green, blue, purple)
• a clear straw
• salt or sugar

First, fill each of the cups with the same amount of water.

Next, add the food coloring, one color in each cup, preferably in rainbow order.

Line the cups up next to each other.

In the first cup, do not add any sugar at all.

In the second cup, add one tablespoon of sugar.

In the third cup, add two tablespoon of sugar.

In the fourth cup, add three tablepoons of sugar, and so on.

Stir each mixture until all the sugar is dissolved in each glass.

The next step is to make a sugar rainbow by placing the end of the straw in the first cup (the cup with no sugar), only about a half of an inch.

Cover the top of the straw with your thumb before lifting it out of the water so that the water does not fall out of the straw.

Now dip the straw into the second cup (1 tablespoon sugar). This time, insert it deeper so that the end is one inch below the water level. In one quick move, release the thumb and recap again. Now you should have two layers of color.

Keep dipping the straw into each solution from the one with the least sugar to the one with five tablespoons of sugar. Each time, the straw is inserted half an inch deeper.

What’s happening?

Density is the amount of substance (mass) within the volume occupied by the object. If two cups have the same amount of water (i.e. same volume), the one with more sugar is denser than the one with less sugar.

Buoyancy is determined by relative density. The solution with less density floats above the solution with higher density. That is why the color don’t mix.

Sugary water has higher density than plain water. The solution with more sugar has higher density than the one with less sugar. If you have inserted the straw in the solutions from the least sugar to the most sugar, then the color don’t mix and you have a sugar water rainbow.

24. Painted Nature

In this activity, kids will be closely observing natural phenomena, looking for signs of life and growth, and using their senses to experience natural materials. These skills are extremely important scientific foundations.

First, have your child search for natural objects in nature. Fill a bag with interesting sticks, leaves, rocks, twigs, pebbles, and anything else you can find.

Next, bring them into the “classroom” or home to closely observe and paint them.

As you paint, you can discuss the natural colors and features of these objects: What is their texture? What do they notice about each object?

My kids love “melty crayons”. They can’t get enough of them. Gather several rocks and heat them up in the oven. Then, carefully draw on them with crayons. The heat of the rock will melt the crayon wax and the it will go on like paint.

25. Magnet Dump

This activity is a great introductory magnet activity, and for younger kids, they’ll be practicing skills of classifying and sorting.

First, dump out a selection of metal objects onto the table.

Next, ask your kids to help you “clean up” by using the magnets to pick up different objects and sort them into containers.

Discuss which objects are attracted to a magnet and which are not. What patterns do they notice? What other objects would they like to try?

26. Magnet Magic

• Clear plastic box (look in your recycling bin)
• Pipe cleaners

This super-easy experiment is a really fun way to teach your child about magnets in a colorful, magical way, and it only requires simple materials from around the house. 

First, cut up several pipe cleaners and place them in a clear plastic box. The box does not need to be fancy, just see-through.

For your first time through this demonstration, have your child take a magnet and touch it against the surface of the plastic box. They’ll find that the pipe cleaners are lifted up and move with the magnet!

What’s Happening?

Magnets attract certain types of metal. The pipe cleaners have a thin strip of metal, so the magnet is able to attract those pieces and pull it around the box.

Extension:  Next time, think of what other objects could you place in the box? What objects do you predict the magnet could move around?

27. LEGO Boats

This experiements present a great opportunity to get kids thinking about engineering and design.

First, challenge your kids to build their own boat out of LEGO bricks. For an added challenge, only give them a certain number of pieces.

Once everyone has finished building, put the boats to the test in a tub of water.

Add pennies a few at a time to see how many each boat can hold.

Talk to your kids about how weight and design matter. Reflect on good designs and help them understand why they worked well.

28. DIY Parachute

You can learn about gravity by making a DIY parachute for a light-weight toy. The parachute is easily made from materials around your house, and you can experiment with different strategies and objects.

• Plastic Bag (i.e. grocery bag)
• Yard/String

First, use the scissors to remove the handles from the plastic bag. Next, poke four holes around the plastic bag so that they are the same distance apart and on opposite sides of the bags.

Then, cut four holes into the rim of the paper cut.

You’ll also need to cut four pieces of yarn, 10-12 inches long. Thread one piece of yarn through the hole in the plastic cup and tie the yarn to the cup with a knot. Repeat with all four strands of yarn in the remaining holes.

Next, thread the other end of the pieces of yarn through the hole in the plastic bag and tie a knot. 

Finally, personalize and decorate your cup with stickers, paint, crayons or markers.

Now it’s time to find a toy that is going to take a ride in your parachute. Launch your parachute into the air and see what happens!

Experiment with putting different objects into the paper cup and see how it affects the parachute’s effectiveness. Does the parachute flight time increase or decrease?

You can also try creating the parachute with different materials to replace the paper bag, such as a paper towel or napkin, and see how that affects the performance.

29. Magic Milk Experiment

• Full Fat Milk
• Dawn Dish Soap
• Cotton Swabs

First, pour the milk in a small baking dish until the bottom is covered. Next, fill the milk with drops of food coloring. Glitter is optional!

Then, pour some dishwashing soap into a bowl, and dip your cotton swap tip into the dish soap to coat it. Then, gently touch your cotton swab to the milk and watch what happens!

Milk is composed of minerals, proteins, and fats, which are easy to change. When you add the dish soap to the milk, the soap molecules try to attach to the fat molecules in the milk.

When everything stops moving, you can see where all the fat molecules are.

30. Steel Wool & Vinegar Reaction

This experiment will make abstract concepts like “chemical reaction” and “rusting” become more clear and concrete.

• two beakers
• something to cover the beaker (paper or a lid)
• Thermometer

First, place the steel wool in a beaker. Then, pour vinegar onto the steel wool and let it soak for about a minute.

After a minute or so, take the steel wool out and shake off any excess vinegar.

Next, wrap the steel wool around the base of the thermometer and then place them both in the other beaker.

Then, cover the beaker with paper or a lid. It’s important that you keep the heat in.

You’ll want to make sure that you can still read the temperature on the thermometer. It’s a great idea to poke a hole if possible through the covering so that the thermometer can fit through it, and you can easily read the temperature.

Make a note of the initial temperature, and observe it for about five minutes.

You will see that the temperature on the thermometer gradually rises, and the beaker will likely get foggy. When you soaked the steel wool in vinegar, it removed the protective coating on the steel wool, allowing the iron in the steel to rust.

Rusting is actually a chemical reaction between iron and oxygen (or oxidation). This is the chemical reaction that creates heat, thereby increasing the temperature of the beaker and on the thermometer. This is an examples of an exothermic reaction (a chemical reaction that releases energy in the form of heat).

31. Corn Syrup Viscosity Experiment

This experiment could not be simpler, and it’s the perfect tool for teaching kids of any age about viscosity.

-Corn Syrup

-2 glass containers (one should be smaller than the other)

-cupcake pan or 3 small bowls

-Food coloring

First, fill the larger glass container 1/2 to 3/4 full with corn syrup. Then, add the small glass container to the center. Careful! The corn syrup will rise a bit when you do this.

Next, Use a cupcake pan or 3 small bowls and put in a small amount of corn syrup. Mix each one with a food coloring of your choice. You should have three separate colors of corn syrup.

Then, put some colored corn syrup in the dropper, insert the dropper into the clear corn syrup and add the coloring in different places. Do that for each color as many times as you wish.

Now, you can turn the smaller glass jar while holding the outer glass still. The colored syrup will start to spread a bit. Now, switch direction and turn the small glass jar back to its original place. The colored dots return right back to their original form.

Corn syrup has a viscosity that is 5,000 times that of water, so they don’t mix in the same way.

32. Homemade Play Dough

This is a classic DIY project, and kids of all ages will love it.

• 3 cups of flour
• 1.5 cups of salt
• 6 teaspoons cream of tartar
• 3 tablespoons of oil
• 3 cups of water

33. Melting Snowballs

This is another acid and base experiment, and it’s fun on a couple different levels!

First, form snowballs by adding water to the baking soda. You’ll need about a 1/3 cup per snowball.

Then, place them in the freezer for 15 minutes.

Finally, pour drop of vinegar on the snowballs and watch them sizzle and melt.

Variations:

You can also make a snowman and do the same thing!

34. Paper Airplanes

Overview: There’s no better way for kids to learn about aerodynamics than by making a paper airplane. Wow Fold, a paper airplane website, offers dozens of paper airplane designs and easy to follow instructions.

35. Flying Ping Pong

Your kids will love this flying ping pong trick, and there are only two things you need.

First, make sure your hair dryer is on a cool setting. Then, hold the ping pong above the nozzle and turn on the air. When you let the ping pong go, it should float! Next, try it on different settings. Try to see how far you can tilt your hair dryer before the ball drops.

36. Magical Balloon

Your kids won’t believe their eyes when you push a needle through a balloon and it doesn’t pop!

• Scotch tape

First, blow up your balloon. Next, take two pieces of scotch tape and make an X on your balloon. Then, with parental supervision, push a needle through the middle of your X.

Leave the needle in and see how long it take for your balloon to finally pop!

The tape slows down the process of the hole in the balloon widening, so it takes longer for the balloon to pop.

37. What’s That Mystery Smell?

Kids of all ages can recognize a lot of different smells, and the process of using your senses is very important to the scientific method.

In this experiment, you’ll use your senses to see how many different smells you can recognize.

• Small, lidded containers that you can’t see through
• Smelly things from around the house such as bananas, an orange peel, lemons, a cotton ball soaked in perfume, chopped onion, coffee (or a used coffee filter!), rose or flower petals, pencil shavings, vanilla, vinegar, ginger, etc.

First, have a grown up put the smelly items in the containers.

Then, write a number on the side of each container.

The next step is to put your blindfold on and have them help you smell each object.

Write down what you think is inside of each container.

Finally, check your guesses! How many did you guess correctly?

38. Wacky Spoon

This is more of a science trick than an experiment, but it’s super easy to do at home!

Kitchen Spoon

Look at your reflection in a large spoon. It will be upside down!

A regular mirror is flat and sends your reflection straight back into your eyes. The rounded spoon bounces your reflection back at different angles and turns your reflection upside down. 

39. Floating Eggs

This experiment will show your child how things float differently in fresh water and salt water.

• 2 tall drinking glasses

First, fill one glass with water. Then, fill another glass with water and add 8 tablespoons of salt. Mix it up.

Next, place an egg in both glasses. One will float and the other will sink.

Adding salt to the water increases the water’s density which causes the egg to float.

40. Jumping Pepper

This simple experiment will demonstrate static electricity right before your eyes.

Place a tablespoon of pepper on a plate. Then, run a hair comb through your hair. While still holding on the comb, hold the comb over the plate and watch the pepper jump!

The plastic comb builds up a negative charge as it moves through you hair. The pepper has a positive charge, so it jumps!

Try it with other spices and powders.

41. Walking on Eggs

Your kids will be astonished to see that they can actually walk on eggs without breaking them!

• 6 dozen eggs in their cartons-Drop cloth / newspaper

Lay down your drop cloth in case the experiment doesn’t work as expected!

Place the open egg cartons next to each other. Take off your sock and shoes and gently step onto the eggs keeping your feet flat. Then bring up your other foot and carefully walk across the eggs.

Your foot is big enough that your weight spreads evenly out across the eggs, keeping them from breaking.

You can also demonstrate this concept with a heavy book. 

42. Disappearing Reflection

Make your reflection vanish! All you need is aluminum foil.

-Aluminum Foil

-Scissors (optional)

Rip off a large piece of aluminum foil (ten inches should do) and take a look at your reflection. Then, crumple up the aluminum foil. Next, Carefully flatten it back out. Finally, look for your reflection. It’s nowhere to be found!

When the aluminum foil is smooth, light reflect off of in in straight lines, which enables you to see your reflection. But once you crumple the foil, it has a wrinkled surface that sends your reflection in all different direction, causing it to disappear.  

43. Defy Gravity!

When you turn over a cup of water, you expect the water to spill and fall. But not always!

Clear plastic cup

Playing card or notecard

First, fill your clear glass about 3/4 of the way with water.

Next press your playing card or notecard gently on the top of your glass to completely cover the top. Gently rotate the cup upside down. After a few moments, remove the card. The water will stay in place!

Try it again, adding something that will float in the water. Repeat the steps, and see what happens!

45. Water Fireworks

This totally safe fireworks experiment will be a hit around the Fourth of July or any time!

Tall water glass

Small water glass

First, fill up your all water glass almost all the way with water. In the small glass, pour two tablespoons of oil. Add 2 drops of food coloring to it and mix it around with a fork until the food coloring is broken up into smaller specks.

Then, pour the oil mixture into the water and see the firework expand!

What’s happening:

Food coloring dissolves in water but not oil, causing it to go different directions.

Try two colors! Try a different size glass!

46. Bird Feeder Fun

In this simple science project, you’ll learn where birds like to have their meals.

-Pipe Cleaner

Place cheerios on a pipe clean and make a simple circle. Place it out for the birds to eat.

To experiment, place different bird feeders in different places and see if it makes a difference for how much gets eaten.

You could also make your bird feeder into different shapes to see how the birds prefer it.

47. Rain Gauge

It’s super simple to make a rain gauge from a soda bottle and track your area’s rain water!

Soda Bottle

X-acto knife (with parental supervision)

Cut the top off of a soda bottle and invert the top so that the rain water funnels into the bottle. You may want to secure it with duct tape. Next, place it outside in a spot where it can collect rain water.You’ll want to secure it so it doesn’t fall over. Then, begin measuring the rain water each day!

48. Magic Leak Proof Bag

-Ziplock Back

-Very Sharp Pencils

Fill your bag up halfway with water. Carefully poke the pencil through the bag and out the other side. (Don’t push the pencil all the way through so that it comes out the other side!)

The plastic bag’s molecules form easily around the smooth sides of the pencil forming a seal.

49. Paper Cup Tower

Similar to the “walking on Egg” experiment listed above, this activity will wow your children as they discover they won’t crush the paper cups by standing on them!

8 paper cups

First, set the paper cups on the grounds, spaced evenly. Next, place the cardboard on top of them. Then, try to stand on it and see what happens. Can you make another level?

50. Rubber Band Guitar

Tap into your musical side and explore sound with this simple rubber band guitar.

Paper or plastic cup

Rubber bands

First, wrap your rubber bands of different sizes around the cup so that the rubber bands act as strings over the hole of the cup. Then, pinch the sides of them together as best you can and tap them around the sides of the cup. See what sounds they make, and experiments with rubber bands of various sizes to see what sounds they make!

+50 More Science Experiments We Love:

Kids of all ages will love these cool science experiments that you can do together on the weekend or after school.

These science activities all use simple household items and take about 30 minutes to complete.

51. Rock Candy Experiment – Grow colorful rock candy in a glass!

51. Giant Dish Soap Bubbles – Make a giant bubble with household ingredients.

52. Solar Oven S’mores – Cook up a tasty snack in a solar oven.

53. Layering Liquids – See how liquids can stack on top of each other according to density.

54. Human Sundial – Become a human sundial to learn about solar patterns.

55. Windowsill Trash – Demonstrate how the heat of the sun helps trash decompose.

56. Naked Egg Experiment – Dissolve an eggshell with vinegar and see the membrane below!

57. Balloon Magic – Blow up a balloon without blowing, using vinegar and baking soda.

58. Tornado in a Bottle – Create a cyclone in a bottle in this classic, simple experiment.

59. Egg Teeth – Explore how sugar affects teeth in this easy experiment.

60. Step Through an Index Card – Amaze your kids by stepping through an index card that’s been strategically cut.

61. Frozen Bubbles – Find out what happens when you blow bubbles in freezing temperatures.

66. Make Butter – Shake cream and turn it into butter!

67. Ice Cream in a Bag – Turn simple ingredients into delicious ice cream.

68. Moldy Bread Experiment – See how important it is to wash your hands in the viral science experiment.

69. Map Your Taste Buds – Learn about your taste buds in this easy mapping activity.

70. Make a Rainbow – See how you can easily create your own rainbow.

71. Soap Boats – Explore density with this easy DIY boat-making activity.

72. Egg Drop Project – See if you can build a contraction to protect an egg from breaking.

73. Growing Gummy Bears – Watch gummy bears grow before your eyes.

74. Fingerprinting – Dive into the infinite world of fingerprints with a no. 2 pencil and paper.

75. Homemade Bouncy Balls – Make your own bouncy ball toys with household ingredients.

76. Dancing Corn Experiment – Explore and investigate carbon dioxide by making corn dance. 

77. Big Stick Balance – This surprising experiment will teach kids about balance.

78. Upside Down Reflection – All you need is a kitchen spoon to learn about the principles of reflection.

79. Make a Sundial – Learn how to tell time with the sun by making a simple sundial.

80. Exploding baggie – Use a simple chemical reaction to explode a plastic zip close baggie. 

81. Flame-Proof Balloon – Use cold water to make a balloon resistant to a fire’s flame!

82. Rotten Banana Balloon – Use that rotten banana in your kitchen to blow up a balloon. You can also try it with a lemon. (Here’s the Lemon Balloon Trick .)

83. Mouth-Foaming Fun – Experience a chemical reaction first hand while brushing your teeth.

84. Foot Fat Experiment – Compare the levels of fat in different foods with this simple experiment.

85. Smashing Seashells – Discover how to easily smash seashells with vinegar.

86. Super Bubble Solution – Find out how you can make giant bubbles with an easy homemade solution.

87. Shaving Cream Rain Clouds – learn about the water cycle with shaving cream. The shaving cream represents the rain cloud and the water is the atmosphere.

88. Water Bending Trick – Learn how to bend water with one simple thing you have lying around your house.

89. Dry Paper Experiment – See how you can magically dunk paper in water and not make it wet.

90. Bending Straw Illusion – Learn about light refraction in this quick and simple experiment.

93. Magic Napkin – Learn about inertia with a napkin and a plastic cup filled with water.

94. Water Fireworks – Create fireworks in a glass of water using this simple experiement with household ingredient.

95. Liquid Sandwich – Learn about density with water, oil, and honey.

97. Talking String – Learn about sound waves and make a string “sing” by using one simple button.

98. Noisy Paper – Create a loud vibration noise with just two pieces of computer paper.

99. Sunscreen and Skin – Learn about the human body and how sunscreen works with this simple experiment using sunscreen and construction paper.

100. Taste Bud 101 – Learn about the taste buds with this fun and interactive experiment.

Looking for more at-home fun ideas? Check out our list of 100 Fun Things To Do At Home >>

So, there you have it!

100 kids science experiments that are super easy to do at home.

These simple science projects are meant to spark the curiosity of your child (and the whole family.)

We hope you loved this list of our very favorite science experiments.

Email us at [email protected] to add your idea.

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Calie Herbst, Editor-in-Chief of Milwaukee With Kids, has spent over a decade combining her experiences as a parent of three to create a hub for Milwaukee’s family adventures.

Her decade-long teaching career in Milwaukee Public Schools and academic background, including a Master’s in Teaching from Marquette University and dual B.A.s in Sociology and Spanish from the University of Wisconsin – Madison, fuel her passion for inclusive and engaging family content.

Calie is also a recognized voice in local media, contributing to WISN Channel 12 News, WTMJ Wisconsin Morning News, Fox 6’s Real Milwaukee, and B93.3.

Discover more about Calie’s journey and editorial approach on her About Page  and Editorial Policy Page .

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40+ Easy Science Experiments For Students: Lots Of Great Ideas

Categories Activities & Ideas

Science is one of the most intriguing subjects to learn in school. It’s so varied and it can be a lot of fun for kids – especially when it comes to conducting science experiments. However, science experiments do not always have to be about beakers and bunsen burners. There are several ways that students can conduct easy science experiments, and it does not require a lot of resources or money to do so.

But what exactly are the options?

Well, if you are a teacher or a parent looking for easy science experiments for students, then we’ve got you covered. Our comprehensive list below shows you plenty of options that they can take part in.

So, if you’re ready to find out a lot more – then read on for lots of ideas!

Easy Science Experiments For Students! 

Without any further delays, let’s dive right into this list of some easy science experiments for students. We’re sure that your young minds will love some of these!

1. Dancing Pepper

Perhaps one of the most intriguing and fun experiments is the dancing pepper experiment. It shows kids how substances behave differently when placed on water in an effort to show how molecular behavior can differ with surface tension.

This can result in some things appearing to dance, so it’s a pretty fun experiment to observe! 

2. Colored Celery 

This is a pretty basic experiment but it can help to show kids how plants absorb water. You just need either celery or a white flower and some colored water. Once the celery is placed in the colored water, it can help kids to visualize how plants sustain themselves.

3. Dissolve Or Not?

This experiment can help teach kids about different solutions, but it’s more about showing kids the way to create their own hypotheses. For example, having six different substances and six different solutions, questioning whether it will dissolve and why they think so. 

4. Volcano (Baking Soda)

Every kid will have fond memories of this experiment. It’s a super fun and easy science experiment that shows how bases and acids react when they are in contact with one another, and it results in a miniature volcano! 

5. The Skittles Experiment 

This is a cool way to learn about diffusion. You simply need a packet of Skittles and observe what happens when each different color coating is exposed to shallow, cold or hot water. 

6. Burn The Bill 

Don’t panic, you won’t be burning any money with this experiment . It’s an easy way to teach kids about combustion, so you can use any paper item. 

7. Dr. Seuss’ Butter Experiment

Any fans of Dr. Seuss may recognize this experiment. You simply need to put heavy whipping cream into a tight jar and observe how the fat molecules clump together and form a butter product!

8. Liquids And Layers 

Using items that you can find in your pantry, this experiment can help to show kids how liquids have different densities and how they might operate.

9. Egg Crystal Geode 

Merging Springtime and Geology together, this is a fun experiment whereby kids can make their own geodes and learn about super-saturated solutions.

10. Make Rain In A Jar 

This quick and simple experiment can help to show students how rain occurs. As we know, rain is the result of warm, humid air converging with cold air in the upper atmosphere. 

So, using a jar and a plate, you can place ice and water into a jar and show kids how rain works by making your own in a jar! 

11. The Unpoppable Balloon 

Students will be intrigued by how you can put a sharp stick through a balloon and it won’t pop! It’s a quick and simple experiment that demonstrates polymers.

12. Float Or Sink?

This experiment is pretty basic but it’s quite important to learn. It can be conducted anywhere too, but it’s best during hot weather using a lake or river. 

Create a hypothesis with multiple items and question whether or not you believe certain items will sink or float. 

13. Make Your Own Sand 

Any kid will get a kick out of making their own sand ! The experiment doesn’t need too many resources or items, but it’s something you need to ensure before you start.

14. Make Your Own Barometer 

This experiment can help show kids how air pressure has an effect on the weather. The best way to do this is to build your own barometer! 

15. Create A Solar Oven

This is a quick and easy way to show students how radiant heat works. By harnessing its power, there are many things you can do! You just have to be careful.

16. The Sticky Ice Experiment 

It’s really fun to show students how salt has an effect on water and its freezing point. You need water, salt, and some string to carry this one out!

17. An Egg In A Bottle

Using a small bottle, some matches, and an egg, you can show your students how objects may react to adaptations in air pressure.

18. Make A CD Garden 

You’re certain to have some old CD cases around. If so, you can get kids involved in making their own CD case garden and observe the ways that plants grow!

19. The Gummy Worm Dance 

When an acidic liquid is mixed with a neutral solution, it’s possible for some things to react in hilarious ways that kids will love. Place a gummy worm in a jar and mix the solutions to watch your students laugh at the results.

20. Make A Green Penny 

If you have an old penny lying around, then why not test out this experiment , which takes about three days? It’s a cool way to learn about metal and chemical reactions , though! 

21. Soap Popcorn 

This experiment needs supervision from an adult, but it’s awesome to watch. Using Charles’ law, simply place a bar of soap in a microwave and watch how it expands as it heats up. 

22. The Cabbage PH Indicator 

Students can test out the PH levels of different liquids simply by using cabbage. It’s pretty simple to perform and it’s cool to watch.

23. Can Ice Grow?

This experiment needs to be followed step by step, but it’s really interesting to observe. With some basic steps, you can get your students to observe how ice might grow and form towers.

24. Paper Cup – The Strength In Numbers 

Using several paper cups and some cardboard sheets, this is an outdoor experiment that can help to demonstrate weight distribution and how paper cups can hold body weight when in numbers.

25. Separate Pepper And Salt 

Draw from the power of static electricity via a plastic spoon and show students how easy it is for matter to divide and separate – which can be shown with salt and pepper.

26. Fireworks In A Jar

At the right time of year, you can theme this experiment using oil, water, food coloring, and a jar. It’s a super fun project to help kids understand density – and the results are pretty! 

27. Water And Oil Discovery Bottles 

Most of us will be familiar with making water and oil discovery bottles from when we were kids, and it continues to be a super fun experiment for students today. All the bright colors are an awesome sensory experience for kids.

28. Color Mixing With Coffee Filters

This experiment is more for younger students, but it’s simple and effective. Using coffee filters, you can add liquids to watch how the filters absorb them and change colors, making mixes which make new colors.

29. Create Fizzy Lemonade 

A tasty experiment for the summer, this can help teach kids how mixing base liquids with acid creates a chemical reaction – but it results in something that you can enjoy at the end! 

30. Magic Milk 

This simple experiment needs a few items; milk, dish soap, and food coloring. This is a super colorful and fun thing to do and can help show kids how molecular behavior might work, how surface tension works, and a little bit about an object’s density.

31. Walking On Eggs 

Another experiment that can show the power of weight distribution is walking on eggs. Show your students how something so fragile can withstand body weight when in large numbers.

32. Create A Hydraulic Elevator 

This experiment sounds more complex than it actually is. You just need to use some sticks and large medicine droppers. It’s a classic experiment that many STEM teachers have used in the classroom before.

33. Demonstrate Inertia 

Newton’s first law of motion can be demonstrated pretty easily, and it’s never too early or too late to show students how it works! 

34. Grow Your Gummy Bears

When it comes to students and science, what better way to teach them than using candy ? Using all areas of the major sciences, you can turn little gummy bears into big gummy bears! 

35. The Disappearing Egg Shell

Students of all ages enjoy watching this experiment , and it’s helpful to show them the ways that chemical reactions operate.

36. Coca-Cola Tooth Experiment 

This is a classic experiment that can help show students the effects of sugary drinks on their teeth. When your students are young and losing their baby teeth, ask them to bring in a tooth and show them the horrible effects in a jar! 

37. Small Tornado In A Bottle

Most of us performed this experiment when we were students, and it’s super fun to keep it going with your own students. Demonstrating centripetal force by creating a water vortex in a bottle is awesome! 

38. Make A Bag Leak-Proof

Another experiment that demonstrates polymers, you need a plastic bag, some water, a sharp pencil, and some patience – and you can show kids the seemingly impossible!

39. Make A Non-Newtonian Fluid 

There are substances out there that get firmer when pressure is applied to them, and these are known as non-Newtonian fluids. It’s really intriguing to see how fluids can behave in such ways, so your students are bound to get a kick out of this.

40. Demonstrate Capillaries

You can show kids how our capillaries function using items you can find pretty much everywhere. It’s super cool and colorful and you’re bound to excite everyone with this in the classroom.

41. Make Candy Rock 

Students, candy, and rocks – they go hand in hand! Your students will love to create their own candy rock and watch as the rock crystals grow.

42. Make The Super Bubble

You can show students how to make a better version of bubble mixture to create much larger bubbles, called superbubbles! 

43. Frozen Vegetable Oil Paintings

Here’s another classic experiment that most kids have conducted when they were in the classroom. It’s a fun way to show kids how some liquids behave when they are frozen, and as vegetable oil behaves differently – you can make awesome paintings! 

44. Make An Ice Magnifying Glass 

This experiment is pretty simple, but we like to add something more fun to it. Once you have made your ice magnifying glass, show your students how glass behaves underwater by designing a real magnifying glass (do not allow them to do this though).

Glass under water can be cut and sliced in much different ways than above the surface, so you can easily create your own glass designs to show your students in a safe way.

45. Can Eggs Float?

Finally, on our list, we have the experiment that has shown students for years how eggs can float on water if salt is added to the liquid. It’s a simple way to explain density, and it’s always a good idea to bring in the Dead Sea example.

The Dead Sea is so salty that people can simply float on its surface, but it’s also deadly because if you turn around – it’s difficult to get your head out of the salty water! 

Things To Remember

There are always things you should remember when it comes to these sorts of experiments. Some are much more obvious than others, but it’s always important to ensure we’re on the same wavelength. These include the following.

Safety 

Conduct a health and safety risk assessment before you carry out any experiment, and always be aware of any safety equipment you and your students may need to wear. Be sure to take reasonable care with all of your experiments (and best to do a trial run first!).

Reinforce Learning 

It’s all fine and good demonstrating the experiments, but you must ensure that you reinforce the student’s learning by asking questions at the end of the lesson. It’s also wise to set some theoretical homework based on their practical experiment. 

Do Your Research 

It’s of course critical that you know exactly what you are doing before you show your students, but it’s also as important to know your students. For example, if an experiment is more tailored for younger students, do not try it for older kids.  You may also like: 1st grade science project ideas .

The Bottom Line 

And that’s our comprehensive list of the easiest science experiments that you can show students in the classroom, at home, or out in the field! We hope you have enjoyed our guide and you’ve found some amazing new experiments for your students! Good luck.

Top tip: Teach your students about the most famous inventors while they work on their own science experiments.

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Okay, this is the hardest part of the whole project…picking your topic. But here are some ideas to get you started. Even if you don’t like any, they may inspire you to come up with one of your own. Remember, check all project ideas with your teacher and parents, and don’t do any project that would hurt or scare people or animals. Good luck!

• Does music affect on animal behavior?
• Does the color of food or drinks affect whether or not we like them?
• Where are the most germs in your school? ( CLICK for more info. )
• Does music have an affect on plant growth?
• Which kind of food do dogs (or any animal) prefer best?
• Which paper towel brand is the strongest?
• What is the best way to keep an ice cube from melting?
• What level of salt works best to hatch brine shrimp?
• Can the food we eat affect our heart rate?
• How effective are child-proof containers and locks.
• Can background noise levels affect how well we concentrate?
• Does acid rain affect the growth of aquatic plants?
• What is the best way to keep cut flowers fresh the longest?
• Does the color of light used on plants affect how well they grow?
• What plant fertilizer works best?
• Does the color of a room affect human behavior?
• Do athletic students have better lung capacity?
• What brand of battery lasts the longest?
• Does the type of potting soil used in planting affect how fast the plant grows?
• What type of food allow mold to grow the fastest?
• Does having worms in soil help plants grow faster?
• Can plants grow in pots if they are sideways or upside down?
• Does the color of hair affect how much static electricity it can carry? (test with balloons)
• How much weight can the surface tension of water hold?
• Can some people really read someone else’s thoughts?
• Which soda decays fallen out teeth the most?
• What light brightness makes plants grow the best?
• Does the color of birdseed affect how much birds will eat it?
• Do natural or chemical fertilizers work best?
• Can mice learn? (you can pick any animal)
• Can people tell artificial smells from real ones?
• What brands of bubble gum produce the biggest bubbles?
• Does age affect human reaction times?
• What is the effect of salt on the boiling temperature of water?
• Does shoe design really affect an athlete’s jumping height?
• What type of grass seed grows the fastest?
• Can animals see in the dark better than humans?

Didn’t see one you like? Don’t worry…look over them again and see if they give you an idea for your own project that will work for you. Remember, find something that interests you, and have fun with it.

To download and print this list of ideas CLICK HERE .

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30+ Science Fair Projects That Will Wow The Crowd

February 20, 2022 by Ana Dziengel Leave a Comment

Are your children signing up for the science fair this year? Have you begun the arduous task of looking for  science fair projects  that might pique your child’s interest? Or do you have a child who already has ten ideas they have been dying to try?

The science fair is a great school tradition and a memorable experience for many children (I still remember the life size plaster penguin I made in 5th grade), and if your school doesn’t conduct one, consider starting it!

This year if you are on the lookout for science fair projects I challenge you to think beyond the vinegar volcano (we have “Volcano Alley” at our school because there are so many volcano projects every year). I know, vinegar volcanoes are like a rite of childhood passage, but there are so many other amazing science ideas out there! I have compiled a list of 30+ science fair projects for kids based on their grade level below. Before we get started I wanted to share some tips for getting the most out of the science fair.

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Science Fair Tips

• Don’t do the project for your child! This is my number one tip. Many parents have a tendency to jump in and make children’s work “more presentable” or to assist their child so much in the project that it’s hard to know who actually did it. Listen I get it, science is fun and you want your child to have a wonderful presentation…but that’s not really what the science fair is about. It’s about your child learning how to do scientific research and present their findings in their own way. Think of yourself as a helpful guide NOT an assistant, and definitely not the boss.
• Choose something age  appropriate  When your child is choosing the science fair idea they want to try, make sure it’s age appropriate. Sure we’d all love to make a working robot but there’s nothing more frustrating than trying a project that may be too advanced for the skills of your child. And that’s when a lot of parents resort to doing the project instead. Not a good solution. So make sure your child is capable of completing the steps them self.
• Make a list of three ideas Have your child select three science fair project ideas and then go over the choices with them. Make sure they understand the steps involved in each project and wether or not they feel comfortable in executing those steps on their own with your guidance.
• Follow your child’s interests Encourage your children to explore some ideas based on interests they already have. Here’s a list of science books with projects based on things your child already loves!
• STEAM it up! STEAM projects rock the science fair!!! A great way to get kids to become more familiar with STEAM concepts it to pick science projects that crossover into art, math, engineering and more!  Two STEAM books to consider are  STEAM Kids Play and Learn (my book!) and   STEAM Kids ebook.  Both books will get you started with some great ideas!
• Read our Science Fair Mini Guide I created this mini guide to walk kids  through all the steps for completing their science fair project. You can check out the full guide here: 

Speak like a scientist! Science Vocabulary to use in your presentation

We’re almost ready to get to the projects! Before we begin, let’s review some science terms. In fact, using these terms in your science fair presentation will be sure to impress your friends and adults!

• When you watch, see, or notice something you are making an observation
• When you ask who, what, when, where, why, or how, you are forming a question  
• When you read a book or an article about your observation, you are doing research
• When you make a guess based on your observation, question, and research, you are forming a hypothesis
• When you test your hypothesis, you are conducting an experiment
• When you change one factor in your experiment at a time while keeping everything else the same, you are changing a variable
• When you take notes in your journal and write down what you see happening in your experiment, you are logging data  
• When you examine, or look at, your data, you are analyzing it
• When you are able answer your question, you are coming to a conclusion

30+ Science Fair Projects for Kids 

Now let’s get on with the science fair projects! I have organized the projects by age/grade level. Click the titles to be taken to the project instructions, unless the instructions follow below.

If you’d rather have the science fair projects list organized by subject you can download our hyperlinked PDF by subscribing to our email list here .

Kindergarten-1st Grade Science Fair Projects

1.  lemon volcano.

Skip the vinegar volcano and try lemon juice! Kids will learn about the chemical reaction between citric acid and baking soda.

2. DIY Bouncy Balls

Learn about polymers while making a DIY toy!  This variation on slime uses a few simple ingredients. <span data-mce-type=”bookmark” style=”display: inline-block; width: 0px; overflow: hidden; line-height: 0;” class=”mce_SELRES_start”></span>

3. Shiny Pennies

A classic experiment that kids love is Shiny Pennies . Collect dirty tarnished pennies and have kids soak them for a minimum of 5 minutes in different acidic liquids. We used vinegar, salsa, lime juice, and lemon juice.  After soaking, remove them from the solution and rinse in soapy water then compare which ones are shiniest. Take notes on which acid worked best to shine the pennies. Variation: Don’t rinse all the pennies after removing them from the different liquids. Can you see a difference in the rinsed vs. non-rinsed pennies? Leave them overnight and see if any of the copper oxidizes (turns green) on the non-rinsed pennies.

pictured above: Regrowing vegetable scraps, DIY Stethoscope, Simple Circuit

4.  Regrow Vegetable Scraps

Did you know you can start an entire garden from vegetable scraps? It works indoors too!

5.  DIY Stethoscope

Make your own stethoscope from a few hardware store parts.

6.  Simple Circuit

For all tech centered kids: Learn how to make a very simple circuit from easy to find items.

pictured above: Chromatography Butterflies, Rainbow Rubber Eggs, Exploring Density with Salt

7. Chromatography 3 Ways

Chromatography is the process of separating mixtures, in this case we will be separating ink into different colors.

• How to do the Classic Chromatography Project The simplest kids chromatography project using paper towels
• Chromatography Art Turn chromatography strips into a woven paper art project!
• Chromatography Butterflies Learn how to separate colors and create a sweet science based craft!

8. Exploring Density with Salt

Why don’t oil and water mix? Find out with this density experiment inspired by Lava Lamps!

9. Rainbow Rubber Eggs

Rubber eggs are another classic science project that kids love. And it’s so easy! I mean does dropping an egg in vinegar and coming back in a few days sound do-able?

2nd-4th grade Science Fair Projects

10. magic rollback can.

You just can’t get rid of this physics project! This project explores the difference between potential and kinetic energy. <span data-mce-type=”bookmark” style=”display: inline-block; width: 0px; overflow: hidden; line-height: 0;” class=”mce_SELRES_start”></span>

pictured above: Bleeding Blossoms, Teleidoscopes, Density Tower

11. Absorption 2 Ways

• Bleeding Blossoms Explore capillary action and absorption in this science meets art project.
• Magical Water Blossoms Make beautiful blossoming paper flowers with the help of absorption. This project has a simple wow moment that everyone enjoys watching.

12.  Teleidoscopes

A teleidoscope is a kaliedoscpe without an end. This means you can use it to view anything and everything. Look through one of these and you will be amazed!

13. Density Towers 2 Ways:

Yes, you can layer liquids on top of each other without them mixing! This is a classic project and kids can customize the liquids they choose to layer.

• Simple Layered Liquids Learn how to make a simple density tower out of kitchen ingredients and then turn it into a lava lamp!
• Glowing Density Tower This density tower has a bonus science surprise: it glows under UV light!

14.  Magnet Magic

Make a simple hanging magnet structure and explore the magic of magnetism.

pictured above: Chromatography Art, Dry Erase Figure, Overnight Crystals

15. Make a Lemon Battery and a Lime Light

Did you know that a chemical reaction can generate electricity?

16.  Electric Playdough

AKA Squishy Circuits, this project will demonstrate that salt and water conduct electricity!

17. Simple Sound Science

Explore the science of sound with these 4 experiments, then use your knowledge to make your own DIY instrument!

pictured above: Magnetic Sensory Bottle, Magical Plastic Bag, Cartesian Divers

18.  Magnetic Field Sensory Bottle

This will surely be a hit at the Science Fair! Watch metal particles dance and move under the influence of powerful magnets!

19.  Magical Plastic Bag Experiment

It’s not magic, it’s polymers! This easy science fair project uses a minimum of materials but demonstrates how everyday polymers work.

20.  Cartesian Divers

A classic science experiment exploring buoyancy. Make “diver” swim up and down in a bottle using science.

21. Water Drop Microscope

Did you know you can make simple microscope from a plastic bottle and water? This project teaches kids to turn trash into a science tool!

22. Spinning Tops

Learn about centrifugal force and friction with one of these three spinning tops ideas!

• Spin Art Tops
• Spin-finite Tops
• Perler Bead Tops

23. Kinetic Sculpture

Make you own moving sculpture while learning about cams and gears!

<span data-mce-type=”bookmark” style=”display: inline-block; width: 0px; overflow: hidden; line-height: 0;” class=”mce_SELRES_start”></span>

Science Fair Projects for 5th Grade and up

pictured above: Crystal landscapes, Tiny Dancers, Coffee Can Camera Obscura

24. Crystals 3 Ways:

• Overnight Crystals Grow Epsom salt crystals overnight in your refrigerator.
• Crystal Wind Catchers Borax crystals are SUPER easy to grow! Turn them into a lovely dangling wind catcher.
• Crystal Landscapes A more advanced crystal growing experiment using bluing and salt but WOW, these are gorgeous!

25.  Tiny Dancers

These are actually a very simple motor! Kids will learn about electromagnetism by building this motor that can “dance.”

26.  Coffee Can Camera Obscura

Make a simple camera obscura out of an old coffee can.

pictured above: Heat Sensitive Slime, Levitating Pen

27. Heat Sensitive Slime

Click your slime chemistry up a notch by adding in thermochromic paint!

28.  Levitating Pen

Make a pen appear to levitate using a magnet!

29.  Newton’s Cradle

Featured on Dude Perfect! I made one of these for the science fair back in the 1980’s…This science “toy” is mesmerizing for kids and adults alike!

pictured above: Electromagnetic Train, Fake Lung, Articulated Hand

30.  Electromagnetic Train

Incredible display of electricity and magnetism!

31.  Fake Lung

For kids interested in life science and biology, make a model of how our lungs work for the science fair.

32.  Articulated Hand

Another one for biology oriented kids, explore how our joints move by creating an articulated hand.

33. Salty Circuits

In this simple circuit project, kids will create an electrical circuit using salt to conduct electricity and power a light emitting diode (LED).

Are you ready for the science fair?

Whether your child has never participated in the science fair or is an old pro, I hope the science fair projects here will inspire them to have fun, explore science, and get creative the same time.

And if you still need MORE ideas I also have a giant list of chemistry projects for kids that would make amazing science fair starter projects!

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50 of the Best Science Fair Project Ideas for Kids

• February 10, 2021

So you have a science fair coming up at school and want to make a project that’s sure to win a prize ribbon? Well, you’ve come to the right place. Choosing the right project requires plenty of research. That’s why we’ve rounded up the best science fair projects ideas to help you along your search.

50 STEM Experiment Ideas for Kids

These 50 science fair project ideas are all great for kids- early and older elementary school students, with a few suitable for middle school students as well. Make a topic that fascinates you, come up with a hypothesis, and see what happens next!

Plus, once you’ve chosen your topic, use this science fair project how-to video from NASA as a helpful guide.

Important note: Some of these science fair projects require the help or supervision of an adult. Always make sure an older family member is nearby and knows what you’re doing as you work on these projects.

1. With this science fair experiment , you can learn what factors affect melting ice.

2. Try this magic milk experiment for an easy science fair project that younger students can accomplish.

3. How much sun does a seed need to sprout? Discover the answer by trying this project you can easily complete from home.

4. Build your own water clock and see how well you can get it to measure time.

5. If you’re interested in a little microbiology, try out this egg cell experiment .

6. What’s the best way to prevent apples from browning? Find out for yourself and make sure to record the results.

7. Do birds eat more food if it is a certain color? Find out with this intriguing experiment .

8. Discover how clouds turn water vapors into rain and diagram a few common types of clouds through this kid-friendly science fair project .

9. Make your own plant cell model using styrofoam and playdough.

10. Learn about aerodynamics by experimenting with paper airplane shapes and seeing which one flies best.

11. Learn how to accelerate the rusting process with this quick and thought-provoking science project .

12. Want to learn about water and density for your project? Perform this floating egg experiment and try out the follow-up questions at the bottom.

13. This project about bending light is perfect for older elementary school students who want to dip their toes into physics.

14. This biology-based science experiment asks, “Will plants grow towards a specific light source?”

15. Learn about greenhouse gases with this science fair idea .

16. Experiment with what makes fruit ripen quickly and write down your results to present at your science fair.

17. Use this hands-on experiment to explore how carbonated drinks affect teeth.

18. Which factors affect evaporation? Find out for yourself with this project that’s perfect for students who can complete it with a little adult supervision.

19. Find out which types of toothpaste work the best and, after measuring your results, try and come up with a conclusion.

20. If the weather is warm out during your science fair, try building a solar oven .

21. For a simple chemistry project , you can make sugar crystals and see what material works best for growing them.

22. Which common material is the best heat conductor? Find out with this science fair project that can be done with adult supervision, as it needs boiling water.

23. Craft your own thermos bottle and test it out for a project all about insulation.

24. Make a DIY thermometer and test it out for a practical and hands-on science project.

25. Try this celery experiment to learn how plant capillaries work.

26. How does the air temperature affect movement? Try one of these fun science fair project ideas as a model for your own experiment.

27. If you’re passionate about the environment, try this recycling experiment for your science fair project

28. How does paint color affect drying time? Make your predictions and test it out for yourself.

29. Learn which soil is best for growing tomatoes if your science fair takes place during warm weather.

30. Build your own lemon battery and see if you can get it to work to learn about electricity.

31. If you want to try the epitome of science fair projects, try making a science fair volcano.

32. How much sugar is in different popular foods? If you’re interested in health science, try this fascinating experiment .

33. If you’d rather look at prompts and create your own project, use these science fair questions for inspiration.

34. Does music affect plant growth? Discover for yourself with this project .

35. Do you need science fair project ideas that will encourage others to recycle? Learn about how to make your own paper .

36. If you have a few furry friends in your neighborhood, consider testing if dogs are colorblind with this project .

37. How does temperature affect air pressure in a ball? Find out the answer with this sporty science project .

38. Build your own pulley and see what kinds of objects you can make it carry.

39. Learn a little about chemistry with this science fair experiment that asks which paper towels are the most absorbent.

40. What is the dirtiest spot in the average home? Find the answer by cultivating bacteria growth in this experiment .

41. Discover how to test thermal energy by observing water temperature.

42. Can you grow seeds with liquids other than water? Find out with this kid-friendly science experiment .

43. This Sun or Shade science fair projec t is perfect for elementary school students.

44. This cool science fair project asks an intriguing question about insect biology: what sweetener do ants prefer?

45. Make a working model of lungs for a science fair project that’s sure to fascinate.

46. Want to try a science fair project that can only end with tasty treats? Bake some cookies and try one of these sweet experiments .

47. Interested in astronomy? Try out this experiment that teaches why the moon’s shape seems to change every day.

48. What are the effects of disinfectant on germs? Use this science fair project as inspiration for your own.

49. Put your math skills to the test with this science fair project centered around the game tic tac toe.

50. What’s stronger: magnetism or gravity? Find out with this science fair experiment that’s perfect for early elementary students.

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56 8th Grade Science Fair Projects – 2024

June 23, 2024

If you teach science to 8th graders, you might be looking for science fair project ideas to inspire your students. Or perhaps you’re looking for fresh classroom experiments to demonstrate biology, chemistry, and physics principles. Continue reading for 60 science fair project ideas for 8th grade with a range of topics and difficulty levels/

8th Grade Science Fair Projects – Things to consider

Each project below comes with a ranking according to difficulty and materials, which you can consider as you decide which projects to share with your 8 th grade students.

Difficulty : As you choose a project for your class, it’s important to consider the difficulty of the project. Do your 8 th grade students have enough time for this project? Have they reached a high enough level in the scientific area? Each of these projects is rated “basic,” “medium,” or “advanced” based on the complexity of the concept involved and the amount of time it will take.

Materials : The projects below also range in terms of materials and setup, and they are listed as “basic,” “medium,” or “advanced.” This can help you determine what kind of preparation is required in order to complete each project.

Biology Science Fair Project Ideas

56 Ideas for the 8th Grade Science Fair:

1) Balloon lung capacity

  Using simply a balloon and a tape measurer, this experiment allows students to measure human health and athleticism. It can be made more or less complicated depending on the measurements taken (circumference only vs. volume of the balloon, for example).

• Difficulty: basic
• Materials: medium
• Learn more: measuring lung capacity

8th Grade Science Fair Projects (Continued)

2) water quality testing.

  Do you have a water-testing kit on hand? If not, you can purchase one for under $30. This simple kit opens numerous possibilities for science fair projects, including testing the water quality of local streams, ponds, swimming pools, and drinking-water taps. Water testing is a great way to teach about pollution and the importance of clean water sources.

• Learn more: water quality experiment

3) Plant maze

  Ever noticed how plants grow towards light? With a simple experiment, your students can watch as a plant grows around obstacles. Your plant maze can be as simple or as complex as you’d like.

• Difficulty: medium
• Learn more: plant light maze

4) Animal track casting

Are your students up to a bit of detective work? In this experiment, they can track animals and study their tracks using a homemade plaster mold, and then comparing them for size, shape, and location.

• Learn more: find & collect animal tracks

5) Nitrogen and plants

  Explore how nitrogen aids plant growth with this 8 th grade science project, which involves comparing the growth of pea plants with and without nitrogen-fixing bacteria.

• Learn more: nitrogen and plants

6) Your plant’s favorite music

  Do plants appreciate the music you play? This experiment determines whether classical music affects the growth and health of plants (though you can use any genre you’d like, or test multiple different genres).

• Learn more: plant responses to music

7) Crime scene fingerprinting

This project is especially great for students interested in forensic science. It can be completed using a purchased fingerprinting kit and simple household supplies.

• Learn more: crime scene fingerprinting

8) Myers-Briggs and memory

  Are your students interested in exploring questions of psychology, memory, and mental health? This experiment involves asking volunteers to take a Myers-Briggs personality test, followed by a simple memory exam. They only need internet access and willing volunteers, no extra materials needed!

• Materials: basic
• Learn more: memory and personality

9) Tooth decay with eggs

  Since eggshells share similar properties to teeth, your students can use them to test how different beverages erode tooth enamel. This project teaches biology concepts while also encouraging healthy eating and dental care.

• Learn more: tooth decay egg experiment

10) Water your plants

  For an easy experiment on plant growth, try watering plants with different liquids. You can test different water sources (tap water, rain water, etc.), different salt-levels in water, or even the difference between water and soda.

• Learn more: plant growth with different liquids

11) Cooking and Vitamin C

  For a nutrition-focused experiment, see whether cooked fruits and vegetables have less Vitamin C than raw ones. This involves a slightly more complex procedure, so it’s perfect for your advanced 8 th grade classes.

• Difficulty: advanced
• Materials: advanced
• Learn more: Vitamin C determination

12) Algae growth

  Have you taught your students about fertilizer runoff and its harmful impacts on local waterways? In this experiment, students can test the effects of pollutants on algae growth using household fertilizers and other materials.

• Learn more: algae and pollution

13) Hydroponic vs. soil plant growth

  Perfect for students with a green thumb, this experiment allows students to test whether plants grow faster hydroponically or in soil.

• Learn more: hydroponic vs. soil

14) Bioluminescent bacteria

  For the glowing students out there (as well as the future marine biologists), this project allows 8 th graders to understand how glowing waves are caused by microscopic organisms in the ocean.

• Learn more: ocean bioluminescence

15) Extracting DNA from onions

  In this experiment, students can use a variety of household supplies to see if DNA is able to survive separately from other cell components.

• Learn more: onion DNA extraction

16) Sleep and memory

  Can sleep deprivation affect memory? Have your students ask volunteers a series of trivia questions after getting 8 or 5 hours of sleep. While this project takes some planning, organization, and willing volunteers, it’s a fun way to promote healthy sleep habits.

• Learn more: sleep and memory (plus a few more sleep-related experiment ideas)

Chemistry Science Fair Project Ideas

17) Starch test with iodine

  For a simple chemistry experiment, help your 8 th grade students to understand properties of starch and its presence in various foods.

• Learn more: starch test

18) Carbon sugar snake

  Through the simple chemical reaction of sugar and baking soda, you can make a fiery snake rise from the ground. Take note of safety while doing this experiment, since fire and lighter fluid are involved.

• Learn more: carbon sugar snake

19) Juice spherification

  Try this for a fun and aesthetically-pleasing experiment, which allows your students to create edible spheres, or to “spherify” water and other liquids.

• Learn more: spherification of water

20) Hand-warming chemistry

  Ever wish you could heat up your hands on a cold day? Instead of buying a commercial warmer, try making one of these. This experiment offers a practical solution to an everyday problem.

• Learn more: homemade hand warmer

21) Sports drink challenge (for electrolytes)

We’ve all heard sports drinks advertised as having electrolytes. What does this mean, exactly? Is drinking Gatorade really much better than a glass of orange juice? Try this experiment to find out. You’ll need a few special supplies, including a multimeter and an ohm resistor .

• Learn more: electrolytes in sports drinks

22) Find the best detergent

  Test which laundry detergent is really cleaning your clothes. After making coffee, ketchup, and makeup stains on white handkerchiefs, students will test several laundry detergent brands for effectiveness. For an extra challenge, they can analyze the ingredients in each detergent to see which is the most active.

• Learn more: laundry lab

23) Color-changing beads for UV resistance

Through this experiment, you can use color-changing UV beads to test the protective power of various household objects against the sun.

• Learn more: UV bead experiment

24) Taco sauce penny cleaner

  Can you really clean pennies with taco sauce? Have your students collect their most tarnished pennies and test the theory. Then, see which ingredient (or combination of ingredients) in taco sauce is the most effective by testing them separately.

• Learn more: taco sauce penny cleaner

25) Effects of acid rain

  In order to understand how acid rain affects buildings and other structures, students can use chalk for a stand-in for stone. For a more complex project, they can explore ways of protecting the structures, thereby mitigating the effects of acid rain.

• Learn more: effects of acid rain

26) Hot yeast experiment

  Discover how temperature impacts yeast fermentation. The ingredients are simple: clear glasses, 3 balloons, 3 packets of yeast, sugar, and water.

• Learn more: hot yeast experiment

27) Root beer brewing

  Root beer, a favorite soda for many, is actually just a combination of water, sugar, and flavorings (plus carbonation, which comes from carbon dioxide gas). For a delicious 8 th grade science fair project, test ingredients for the best root beer brew (students can test for fizziness, sweetness, or best flavor by popular vote).

• Learn more: root beer science

28) Extract bismuth from Pepto Bismol

  For a more complex chemistry procedure, grind some Pepto Bismol pills and extract bismuth, its active ingredient. This experiment takes a while, so make sure you leave time for multiple trials.

• Learn more: extract bismuth from Pepto Bismol

29) Homemade ice cream

  The secret to making ice cream is to lower the freezing point of ice. The secret to this secret? Salt. With this experiment, you can have delicious vanilla ice cream ready in about 20 minutes. Test different ingredients and times for the best results.

• Learn more: homemade ice cream

30) Rock candy

  Here’s another delicious one, which only requires dipping a string in some sugar water to create a beautiful candy crystal.

• Learn more: homemade rock candy

31) Waterproof fabric

  In this experiment, you can test different clothing materials (nylon? Wool? Polyester? Silk?) to see which is the most water resistant.

• Learn more: put your fabric to the test

32) Soap and surface tension

Surface tension, put simply, causes the molecules in the surface of a liquid to cling together. In this 8 th grade science fair project, you can test how soap affects surface tension.

• Learn more: soapy surface tension

Physics and Engineering Science Fair Project Ideas

33) build-a-lightbulb.

  Teach your 8 th graders about electricity with this simple lightbulb project. By experimenting with simple materials, students can explore how to create the longest-lasting and brightest light source.

• Learn more: build a lightbulb

34) Built-a-platform

  Any aspiring architects in your class? In this physics and engineering challenge, students create a paper cup structure (with three or more platforms for an extra challenge) that can support their weight.

• Learn more: paper cup structure

35) Solar-powered oven

  Food-related projects aren’t reserved for chemistry. Your students can make s’mores by engineering their own ovens, changing up the construction process for different results.

• Learn more: solar oven

36) Engineer a roller coaster

  Challenge your students to create a roller coaster, loops included. They can experiment with the height and size of the loops, as well as marble weight.

• Learn more: roller coaster building

37) Crash cars

  This experiment involves building cars out of basic classroom materials (plus miniature wheels and axles, which can be found easily online). Then, students can crash-test their cars with raw eggs inside as “passengers.” What structures best protect the egg?

• Learn more: car crash project

38) Find your center

  Help unexpected objects balance in unexpected places with this center of gravity experiment. Using pipe cleaners and clothes pins, play with raising and lowering an object’s center of gravity. Though this project is simple, but it certainly isn’t easy.

• Learn more: center of gravity experiment

39) Spinning glasses of water

While you might think that swinging a bucket of water over your head would leave you soaked, if you swing it around fast enough, you might actually stay dry. Your students can understand the physics behind this phenomenon by building homemade “centrifugal force boards.” Change variables such as speed and cup shape for added complexity.

• Learn more: spinning glasses of water

40) Power homemade batteries

  This experiment offers an excellent intro to electricity using materials that your students likely already have at home.

• Learn more: DIY batteries

 41)  Graphite circuit

  For another electricity-focused experiment, challenge your students to create an electrical circuit using pencil graphite. Since it involves drawing, students can put their art skills to use for a beautiful result.

• Learn more: graphite circuit

42) Homemade projector

  This experiment is a great way for students to understand the science behind light. All they need is a smartphone with videos, a cardboard box, a magnifying glass, and a few basic tools. Different box and magnifying glass measurements can be used as variables.

• Learn more: homemade projector

43) Parachute egg-drop

  Help an egg reach a safe landing by creating a homemade parachute. Test multiple kinds of parachutes to learn about force and gravity, and see which one protects the egg most effectively.

• Learn more: parachute egg-drop ideas

44) Coin tower

  In this demonstration, students build towers of coins and use physics concepts to remove the bottom coin with a butter knife. For experimental variations, use different amounts and sizes of coins.

• Learn more: coin tower challenge

45) Wind-powered car

  By creating a sort of sailboat-car-hybrid, students can learn the engineering behind basic vehicles, adjusting its components to test for speed and distance.

• Learn more: wind-powered car

46) Balancing water glass

  For another architecturally-relevant exercise, create a system of knives and bottles that can balance a full glass of water in the middle. Play with different design elements to conduct a challenging engineering experiment.

• Learn more: balancing glass trick

More Ideas for Classroom Learning – 8th Grade Science Fair Projects

47) newton’s cradle.

  Your 8 th grade students might have seen a Newton’s cradle, but have they created one? Teach them about energy transfer and momentum using only simple materials such as marbles, string, and popsicle sticks.

• Learn more: making a simple Newton’s cradle

48)   Floating compass

  With only a cork, a needle, and a glass of water, teach your students about magnetic forces and Earth’s poles.

• Learn more: floating magnetic compass

49)  Relight a candle

Once a candle goes out, it may seem impossible to relight it without a new match. Think again! This experiment teaches students about the seemingly magical workings of hydrogren, carbon, and oxygen. Take it a step further by changing the variables of wax temperature, wick size, and candle type.

• Learn more: magic traveling flame

50) Ring of Pringles

  This edible STEM challenge is perfect for a fun break mid-semester or for the last day of school . Though it seems easy, it will likely take students multiple tries to figure out.

• Learn more: ring of Pringles

51) Light maze

  Create a maze of objects and work to get a beam of light through. This is a great way to engage your students using objects you already have sitting around.

• Learn more: light maze

52) Build a cup holder

  For a challenging engineering exercise, give your students 5-minutes to create a device that can balance and carry two cups of water. Have them test their cup holders as a fun outdoor activity.

• Learn more: cup holder STEM challenge

53) Take DNA extractions

  DNA, found in the nucleus of cells, acts as a sort of blueprint for the development and functioning of organisms. While this may seem somewhat inaccessible to 8 th grade students, it’s actually possible to extract using classroom lab materials, soap, and mouthwash solution.

• Learn more: how to extract DNA

54) Separate water into hydrogen and oxygen

  For the 8 th grade chemistry teachers out there, you can demonstrate how water is actually formed out of two gases using electrolysis, a process that reduces H20 back to H and O.

• Learn more: separate water into hydrogen and oxygen

 55)  Unpoppable balloon

It may surprise your 8 th grade students that you can hold a balloon up to a flame without popping it. Thanks to water, a great absorber of heat, the rubber barely even weakens when it touches a flame.

• Difficulty: easy
• Learn more: fire water balloon

56) Grow garbage plants

For an ongoing class experiment that you can track over a series of weeks, grow plants using different kinds of compost and garbage to see which kind of matter facilitates the quickest growth. This project is a great way to promote collaboration and sustainability in your classroom.

• Learn more: multimeter

8th Grade Science Fair Projects – Additional Resources 

Whether you’re teaching your 8 th grade students about plant biology, discussing chemical properties, or helping them understand what it takes to engineer a car, these science fair projects and classroom learning activities are great ways to challenge your students. For further classroom resources relevant for middle school learning, we recommend the following articles:

• 124 Good Icebreaker Questions for Students/Adults
• 141 Fun, Weird, & Interesting Facts
• 60 Team-Building Activities for Kids & Middle/High School Students
• 150 Journal Prompts for Kids, Middle, & High School Students
• 60 Easy Science Experiments for Kids
• 62 Best Research Opportunities for High School Students 
• Teacher Tools

Sarah Mininsohn

With a BA from Wesleyan University and an MFA from the University of Illinois at Urbana-Champaign, Sarah is a writer, educator, and artist. She served as a graduate instructor at the University of Illinois, a tutor at St Peter’s School in Philadelphia, and an academic writing tutor and thesis mentor at Wesleyan’s Writing Workshop.

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21 Data Science Projects for Beginners (with Source Code)

Looking to start a career in data science but lack experience? This is a common challenge. Many aspiring data scientists find themselves in a tricky situation: employers want experienced candidates, but how do you gain experience without a job? The answer lies in building a strong portfolio of data science projects .

A well-crafted portfolio of data science projects is more than just a collection of your work. It's a powerful tool that:

• Shows your ability to solve real-world problems
• Highlights your technical skills
• Proves you're ready for professional challenges
• Makes up for a lack of formal work experience

By creating various data science projects for your portfolio, you can effectively demonstrate your capabilities to potential employers, even if you don't have any experience . This approach helps bridge the gap between your theoretical knowledge and practical skills.

Why start a data science project?

Simply put, starting a data science project will improve your data science skills and help you start building a solid portfolio of projects. Let's explore how to begin and what tools you'll need.

Steps to start a data science project

• Define your problem : Clearly state what you want to solve .
• Gather and clean your data : Prepare it for analysis.
• Explore your data : Look for patterns and relationships .

Hands-on experience is key to becoming a data scientist. Projects help you:

• Apply what you've learned
• Develop practical skills
• Show your abilities to potential employers

Common tools for building data science projects

To get started, you might want to install:

• Programming languages : Python or R
• Data analysis tools : Jupyter Notebook and SQL
• Version control : Git
• Machine learning and deep learning libraries : Scikit-learn and TensorFlow , respectively, for more advanced data science projects

These tools will help you manage data, analyze it, and keep track of your work.

Overcoming common challenges

New data scientists often struggle with complex datasets and unfamiliar tools. Here's how to address these issues:

• Start small : Begin with simple projects and gradually increase complexity.
• Use online resources : Dataquest offers free guided projects to help you learn.
• Join a community : Online forums and local meetups can provide support and feedback.

Setting up your data science project environment

To make your setup easier :

• Use Anaconda : It includes many necessary tools, like Jupyter Notebook.
• Implement version control: Use Git to track your progress .

Skills to focus on

According to KDnuggets , employers highly value proficiency in SQL, database management, and Python libraries like TensorFlow and Scikit-learn. Including projects that showcase these skills can significantly boost your appeal in the job market.

In this post, we'll explore 21 diverse data science project ideas. These projects are designed to help you build a compelling portfolio, whether you're just starting out or looking to enhance your existing skills. By working on these projects, you'll be better prepared for a successful career in data science.

Choosing the right data science projects for your portfolio

Building a strong data science portfolio is key to showcasing your skills to potential employers. But how do you choose the right projects? Let's break it down.

Balancing personal interests, skills, and market demands

When selecting projects, aim for a mix that :

• Aligns with your interests
• Matches your current skill level
• Highlights in-demand skills
• Projects you're passionate about keep you motivated.
• Those that challenge you help you grow.
• Focusing on sought-after skills makes your portfolio relevant to employers.

For example, if machine learning and data visualization are hot in the job market, including projects that showcase these skills can give you an edge.

A step-by-step approach to selecting data science projects

• Assess your skills : What are you good at? Where can you improve?
• Identify gaps : Look for in-demand skills that interest you but aren't yet in your portfolio.
• Plan your projects : Choose 3-5 substantial projects that cover different stages of the data science workflow. Include everything from data cleaning to applying machine learning models .
• Get feedback and iterate : Regularly ask for input on your projects and make improvements.

Common data science project pitfalls and how to avoid them

Many beginners underestimate the importance of early project stages like data cleaning and exploration. To overcome data science project challeges :

• Spend enough time on data preparation
• Focus on exploratory data analysis to uncover patterns before jumping into modeling

By following these strategies, you'll build a portfolio of data science projects that shows off your range of skills. Each one is an opportunity to sharpen your abilities and demonstrate your potential as a data scientist.

Real learner, real results

Take it from Aleksey Korshuk , who leveraged Dataquest's project-based curriculum to gain practical data science skills and build an impressive portfolio of projects:

The general knowledge that Dataquest provides is easily implemented into your projects and used in practice.

Through hands-on projects, Aleksey gained real-world experience solving complex problems and applying his knowledge effectively. He encourages other learners to stay persistent and make time for consistent learning:

I suggest that everyone set a goal, find friends in communities who share your interests, and work together on cool projects. Don't give up halfway!

Aleksey's journey showcases the power of a project-based approach for anyone looking to build their data skills. By building practical projects and collaborating with others, you can develop in-demand skills and accomplish your goals, just like Aleksey did with Dataquest.

21 Data Science Project Ideas

Excited to dive into a data science project? We've put together a collection of 21 varied projects that are perfect for beginners and apply to real-world scenarios. From analyzing app market data to exploring financial trends, these projects are organized by difficulty level, making it easy for you to choose a project that matches your current skill level while also offering more challenging options to tackle as you progress.

Beginner Data Science Projects

• Profitable App Profiles for the App Store and Google Play Markets
• Exploring Hacker News Posts
• Exploring eBay Car Sales Data
• Finding Heavy Traffic Indicators on I-94
• Storytelling Data Visualization on Exchange Rates
• Clean and Analyze Employee Exit Surveys
• Star Wars Survey

Intermediate Data Science Projects

• Exploring Financial Data using Nasdaq Data Link API
• Popular Data Science Questions
• Investigating Fandango Movie Ratings
• Finding the Best Markets to Advertise In
• Mobile App for Lottery Addiction
• Building a Spam Filter with Naive Bayes
• Winning Jeopardy

Advanced Data Science Projects

• Predicting Heart Disease
• Credit Card Customer Segmentation
• Predicting Insurance Costs
• Classifying Heart Disease
• Predicting Employee Productivity Using Tree Models
• Optimizing Model Prediction
• Predicting Listing Gains in the Indian IPO Market Using TensorFlow

In the following sections, you'll find detailed instructions for each project. We'll cover the tools you'll use and the skills you'll develop. This structured approach will guide you through key data science techniques across various applications.

1. Profitable App Profiles for the App Store and Google Play Markets

Difficulty Level: Beginner

In this beginner-level data science project, you'll step into the role of a data scientist for a company that builds ad-supported mobile apps. Using Python and Jupyter Notebook, you'll analyze real datasets from the Apple App Store and Google Play Store to identify app profiles that attract the most users and generate the highest revenue. By applying data cleaning techniques, conducting exploratory data analysis, and making data-driven recommendations, you'll develop practical skills essential for entry-level data science positions.

Tools and Technologies

• Jupyter Notebook

Prerequisites

To successfully complete this project, you should be comfortable with Python fundamentals such as:

• Variables, data types, lists, and dictionaries
• Writing functions with arguments, return statements, and control flow
• Using conditional logic and loops for data manipulation
• Working with Jupyter Notebook to write, run, and document code

Step-by-Step Instructions

• Open and explore the App Store and Google Play datasets
• Clean the datasets by removing non-English apps and duplicate entries
• Analyze app genres and categories using frequency tables
• Identify app profiles that attract the most users
• Develop data-driven recommendations for the company's next app development project

Expected Outcomes

Upon completing this project, you'll have gained valuable skills and experience, including:

• Cleaning and preparing real-world datasets for analysis using Python
• Conducting exploratory data analysis to identify trends in app markets
• Applying frequency analysis to derive insights from data
• Translating data findings into actionable business recommendations

Relevant Links and Resources

• Example Solution Code

2. Exploring Hacker News Posts

In this beginner-level data science project, you'll analyze a dataset of submissions to Hacker News, a popular technology-focused news aggregator. Using Python and Jupyter Notebook, you'll explore patterns in post creation times, compare engagement levels between different post types, and identify the best times to post for maximum comments. This project will strengthen your skills in data manipulation, analysis, and interpretation, providing valuable experience for aspiring data scientists.

To successfully complete this project, you should be comfortable with Python concepts for data science such as:

• String manipulation and basic text processing
• Working with dates and times using the datetime module
• Using loops to iterate through data collections
• Basic data analysis techniques like calculating averages and sorting
• Creating and manipulating lists and dictionaries
• Load and explore the Hacker News dataset, focusing on post titles and creation times
• Separate and analyze 'Ask HN' and 'Show HN' posts
• Calculate and compare the average number of comments for different post types
• Determine the relationship between post creation time and comment activity
• Identify the optimal times to post for maximum engagement
• Manipulating strings and datetime objects in Python for data analysis
• Calculating and interpreting averages to compare dataset subgroups
• Identifying time-based patterns in user engagement data
• Translating data insights into practical posting strategies
• Original Hacker News Posts dataset on Kaggle

3. Exploring eBay Car Sales Data

In this beginner-level data science project, you'll analyze a dataset of used car listings from eBay Kleinanzeigen, a classifieds section of the German eBay website. Using Python and pandas, you'll clean the data, explore the included listings, and uncover insights about used car prices, popular brands, and the relationships between various car attributes. This project will strengthen your data cleaning and exploratory data analysis skills, providing valuable experience in working with real-world, messy datasets.

To successfully complete this project, you should be comfortable with pandas fundamentals and have experience with:

• Loading and inspecting data using pandas
• Cleaning column names and handling missing data
• Using pandas to filter, sort, and aggregate data
• Creating basic visualizations with pandas
• Handling data type conversions in pandas
• Load the dataset and perform initial data exploration
• Clean column names and convert data types as necessary
• Analyze the distribution of car prices and registration years
• Explore relationships between brand, price, and vehicle type
• Investigate the impact of car age on pricing
• Cleaning and preparing a real-world dataset using pandas
• Performing exploratory data analysis on a large dataset
• Creating data visualizations to communicate findings effectively
• Deriving actionable insights from used car market data
• Original eBay Kleinanzeigen Dataset on Kaggle

4. Finding Heavy Traffic Indicators on I-94

In this beginner-level data science project, you'll analyze a dataset of westbound traffic on the I-94 Interstate highway between Minneapolis and St. Paul, Minnesota. Using Python and popular data visualization libraries, you'll explore traffic volume patterns to identify indicators of heavy traffic. You'll investigate how factors such as time of day, day of the week, weather conditions, and holidays impact traffic volume. This project will enhance your skills in exploratory data analysis and data visualization, providing valuable experience in deriving actionable insights from real-world time series data.

To successfully complete this project, you should be comfortable with data visualization in Python techniques and have experience with:

• Data manipulation and analysis using pandas
• Creating various plot types (line, bar, scatter) with Matplotlib
• Enhancing visualizations using seaborn
• Interpreting time series data and identifying patterns
• Basic statistical concepts like correlation and distribution
• Load and perform initial exploration of the I-94 traffic dataset
• Visualize traffic volume patterns over time using line plots
• Analyze traffic volume distribution by day of the week and time of day
• Investigate the relationship between weather conditions and traffic volume
• Identify and visualize other factors correlated with heavy traffic
• Creating and interpreting complex data visualizations using Matplotlib and seaborn
• Analyzing time series data to uncover temporal patterns and trends
• Using visual exploration techniques to identify correlations in multivariate data
• Communicating data insights effectively through clear, informative plots
• Original Metro Interstate Traffic Volume Data Set

5. Storytelling Data Visualization on Exchange Rates

In this beginner-level data science project, you'll create a storytelling data visualization about Euro exchange rates against the US Dollar. Using Python and Matplotlib, you'll analyze historical exchange rate data from 1999 to 2021, identifying key trends and events that have shaped the Euro-Dollar relationship. You'll apply data visualization principles to clean data, develop a narrative around exchange rate fluctuations, and create an engaging and informative visual story. This project will strengthen your ability to communicate complex financial data insights effectively through visual storytelling.

To successfully complete this project, you should be familiar with storytelling through data visualization techniques and have experience with:

• Creating and customizing plots with Matplotlib
• Applying design principles to enhance data visualizations
• Working with time series data in Python
• Basic understanding of exchange rates and economic indicators
• Load and explore the Euro-Dollar exchange rate dataset
• Clean the data and calculate rolling averages to smooth out fluctuations
• Identify significant trends and events in the exchange rate history
• Develop a narrative that explains key patterns in the data
• Create a polished line plot that tells your exchange rate story
• Crafting a compelling narrative around complex financial data
• Designing clear, informative visualizations that support your story
• Using Matplotlib to create publication-quality line plots with annotations
• Applying color theory and typography to enhance visual communication
• ECB Euro reference exchange rate: US dollar

6. Clean and Analyze Employee Exit Surveys

In this beginner-level data science project, you'll analyze employee exit surveys from the Department of Education, Training and Employment (DETE) and the Technical and Further Education (TAFE) institute in Queensland, Australia. Using Python and pandas, you'll clean messy data, combine datasets, and uncover insights into resignation patterns. You'll investigate factors such as years of service, age groups, and job dissatisfaction to understand why employees leave. This project offers hands-on experience in data cleaning and exploratory analysis, essential skills for aspiring data analysts.

To successfully complete this project, you should be familiar with data cleaning techniques in Python and have experience with:

• Basic pandas operations for data manipulation
• Handling missing data and data type conversions
• Merging and concatenating DataFrames
• Using string methods in pandas for text data cleaning
• Basic data analysis and aggregation techniques
• Load and explore the DETE and TAFE exit survey datasets
• Clean column names and handle missing values in both datasets
• Standardize and combine the "resignation reasons" columns
• Merge the DETE and TAFE datasets for unified analysis
• Analyze resignation reasons and their correlation with employee characteristics
• Applying data cleaning techniques to prepare messy, real-world datasets
• Combining data from multiple sources using pandas merge and concatenate functions
• Creating new categories from existing data to facilitate analysis
• Conducting exploratory data analysis to uncover trends in employee resignations
• DETE Exit Survey Dataset

7. Star Wars Survey

In this beginner-level data science project, you'll analyze survey data about the Star Wars film franchise. Using Python and pandas, you'll clean and explore data collected by FiveThirtyEight to uncover insights about fans' favorite characters, film rankings, and how opinions vary across different demographic groups. You'll practice essential data cleaning techniques like handling missing values and converting data types, while also conducting basic statistical analysis to reveal trends in Star Wars fandom.

To successfully complete this project, you should be familiar with combining, analyzing, and visualizing data while having experience with:

• Converting data types in pandas DataFrames
• Filtering and sorting data
• Basic data aggregation and analysis techniques
• Load the Star Wars survey data and explore its structure
• Analyze the rankings of Star Wars films among respondents
• Explore viewership and character popularity across different demographics
• Investigate the relationship between fan characteristics and their opinions
• Applying data cleaning techniques to prepare survey data for analysis
• Using pandas to explore and manipulate structured data
• Performing basic statistical analysis on categorical and numerical data
• Interpreting survey results to draw meaningful conclusions about fan preferences
• Original Star Wars Survey Data on GitHub

8. Exploring Financial Data using Nasdaq Data Link API

Difficulty Level: Intermediate

In this beginner-friendly data science project, you'll analyze real-world economic data to uncover market trends. Using Python, you'll interact with the Nasdaq Data Link API to retrieve financial datasets, including stock prices and economic indicators. You'll apply data wrangling techniques to clean and structure the data, then use pandas and Matplotlib to analyze and visualize trends in stock performance and economic metrics. This project provides hands-on experience in working with financial APIs and analyzing market data, skills that are highly valuable in data-driven finance roles.

• requests (for API calls)

To successfully complete this project, you should be familiar with working with APIs and web scraping in Python , and have experience with:

• Making HTTP requests and handling responses using the requests library
• Parsing JSON data in Python
• Data manipulation and analysis using pandas DataFrames
• Creating line plots and other basic visualizations with Matplotlib
• Basic understanding of financial terms and concepts
• Set up authentication for the Nasdaq Data Link API
• Retrieve historical stock price data for a chosen company
• Clean and structure the API response data using pandas
• Analyze stock price trends and calculate key statistics
• Fetch and analyze additional economic indicators
• Create visualizations to illustrate relationships between different financial metrics
• Interacting with financial APIs to retrieve real-time and historical market data
• Cleaning and structuring JSON data for analysis using pandas
• Calculating financial metrics such as returns and moving averages
• Creating informative visualizations of stock performance and economic trends
• Nasdaq Data Link API Documentation

9. Popular Data Science Questions

In this beginner-friendly data science project, you'll analyze data from Data Science Stack Exchange to uncover trends in the data science field. You'll identify the most frequently asked questions, popular technologies, and emerging topics. Using SQL and Python, you'll query a database to extract post data, then use pandas to clean and analyze it. You'll visualize trends over time and across different subject areas, gaining insights into the evolving landscape of data science. This project offers hands-on experience in combining SQL, data analysis, and visualization skills to derive actionable insights from a real-world dataset.

To successfully complete this project, you should be familiar with querying databases with SQL and Python and have experience with:

• Writing SQL queries to extract data from relational databases
• Data cleaning and manipulation using pandas DataFrames
• Basic data analysis techniques like grouping and aggregation
• Creating line plots and bar charts with Matplotlib
• Interpreting trends and patterns in data
• Connect to the Data Science Stack Exchange database and explore its structure
• Write SQL queries to extract data on questions, tags, and view counts
• Use pandas to clean the extracted data and prepare it for analysis
• Analyze the distribution of questions across different tags and topics
• Investigate trends in question popularity and topic relevance over time
• Visualize key findings using Matplotlib to illustrate data science trends
• Extracting specific data from a relational database using SQL queries
• Cleaning and preprocessing text data for analysis using pandas
• Identifying trends and patterns in data science topics over time
• Creating meaningful visualizations to communicate insights about the data science field
• Data Science Stack Exchange Data Explorer

10. Investigating Fandango Movie Ratings

In this beginner-friendly data science project, you'll investigate potential bias in Fandango's movie rating system. Following up on a 2015 analysis that found evidence of inflated ratings, you'll compare 2015 and 2016 movie ratings data to determine if Fandango's system has changed. Using Python, you'll perform statistical analysis to compare rating distributions, calculate summary statistics, and visualize changes in rating patterns. This project will strengthen your skills in data manipulation, statistical analysis, and data visualization while addressing a real-world question of rating integrity.

To successfully complete this project, you should be familiar with fundamental statistics concepts and have experience with:

• Data manipulation using pandas (e.g., loading data, filtering, sorting)
• Calculating and interpreting summary statistics in Python
• Creating and customizing plots with matplotlib
• Comparing distributions using statistical methods
• Interpreting results in the context of the research question
• Load the 2015 and 2016 Fandango movie ratings datasets using pandas
• Clean the data and isolate the samples needed for analysis
• Compare the distribution shapes of 2015 and 2016 ratings using kernel density plots
• Calculate and compare summary statistics for both years
• Analyze the frequency of each rating class (e.g., 4.5 stars, 5 stars) for both years
• Determine if there's evidence of a change in Fandango's rating system
• Conducting a comparative analysis of rating distributions using Python
• Applying statistical techniques to investigate potential bias in ratings
• Creating informative visualizations to illustrate changes in rating patterns
• Drawing and communicating data-driven conclusions about rating system integrity
• Original FiveThirtyEight Article on Fandango Ratings

11. Finding the Best Markets to Advertise In

In this beginner-friendly data science project, you'll analyze survey data from freeCodeCamp to determine the best markets for an e-learning company to advertise its programming courses. Using Python and pandas, you'll explore the demographics of new coders, their locations, and their willingness to pay for courses. You'll clean the data, handle outliers, and use frequency analysis to identify countries with the most potential customers. By the end, you'll provide data-driven recommendations on where the company should focus its advertising efforts to maximize its return on investment.

To successfully complete this project, you should have a solid grasp on how to summarize distributions using measures of central tendency, interpret variance using z-scores , and have experience with:

• Filtering and sorting DataFrames
• Handling missing data and outliers
• Calculating summary statistics (mean, median, mode)
• Creating and manipulating new columns based on existing data
• Load the freeCodeCamp 2017 New Coder Survey data
• Identify and handle missing values in the dataset
• Analyze the distribution of participants across different countries
• Calculate the average amount students are willing to pay for courses by country
• Identify and handle outliers in the monthly spending data
• Determine the top countries based on number of potential customers and their spending power
• Cleaning and preprocessing survey data for analysis using pandas
• Applying frequency analysis to identify key markets
• Handling outliers to ensure accurate calculations of spending potential
• Combining multiple factors to make data-driven business recommendations
• freeCodeCamp 2017 New Coder Survey Results

12. Mobile App for Lottery Addiction

In this beginner-friendly data science project, you'll develop the core logic for a mobile app aimed at helping lottery addicts better understand their chances of winning. Using Python, you'll create functions to calculate probabilities for the 6/49 lottery game, including the chances of winning the big prize, any prize, and the expected return on buying a ticket. You'll also compare lottery odds to real-life situations to provide context. This project will strengthen your skills in probability theory, Python programming, and applying mathematical concepts to real-world problems.

To successfully complete this project, you should be familiar with probability fundamentals and have experience with:

• Writing functions in Python with multiple parameters
• Implementing combinatorics calculations (factorials, combinations)
• Working with control structures (if statements, for loops)
• Performing mathematical operations in Python
• Basic set theory and probability concepts
• Implement the factorial and combinations functions for probability calculations
• Create a function to calculate the probability of winning the big prize in a 6/49 lottery
• Develop a function to calculate the probability of winning any prize
• Design a function to compare lottery odds with real-life event probabilities
• Implement a function to calculate the expected return on buying a lottery ticket
• Implementing complex probability calculations using Python functions
• Translating mathematical concepts into practical programming solutions
• Creating user-friendly outputs to effectively communicate probability concepts
• Applying programming skills to address a real-world social issue

13. Building a Spam Filter with Naive Bayes

In this beginner-friendly data science project, you'll build a spam filter using the multinomial Naive Bayes algorithm. Working with the SMS Spam Collection dataset, you'll implement the algorithm from scratch to classify messages as spam or ham (non-spam). You'll calculate word frequencies, prior probabilities, and conditional probabilities to make predictions. This project will deepen your understanding of probabilistic machine learning algorithms, text classification, and the practical application of Bayesian methods in natural language processing.

To successfully complete this project, you should be familiar with conditional probability and have experience with:

• Python programming, including working with dictionaries and lists
• Understand probability concepts like conditional probability and Bayes' theorem
• Text processing techniques (tokenization, lowercasing)
• Pandas for data manipulation
• Understanding of the Naive Bayes algorithm and its assumptions
• Load and explore the SMS Spam Collection dataset
• Preprocess the text data by tokenizing and cleaning the messages
• Calculate the prior probabilities for spam and ham messages
• Compute word frequencies and conditional probabilities
• Implement the Naive Bayes algorithm to classify messages
• Test the model and evaluate its accuracy on unseen data
• Implementing the multinomial Naive Bayes algorithm from scratch
• Applying Bayesian probability calculations in a real-world context
• Preprocessing text data for machine learning applications
• Evaluating a text classification model's performance
• SMS Spam Collection Dataset

14. Winning Jeopardy

In this beginner-friendly data science project, you'll analyze a dataset of Jeopardy questions to uncover patterns that could give you an edge in the game. Using Python and pandas, you'll explore over 200,000 Jeopardy questions and answers, focusing on identifying terms that appear more often in high-value questions. You'll apply text processing techniques, use the chi-squared test to validate your findings, and develop strategies for maximizing your chances of winning. This project will strengthen your data manipulation skills and introduce you to practical applications of natural language processing and statistical testing.

To successfully complete this project, you should be familiar with intermediate statistics concepts like significance and hypothesis testing with experience in:

• String operations and basic regular expressions in Python
• Implementing the chi-squared test for statistical analysis
• Working with CSV files and handling data type conversions
• Basic natural language processing concepts (e.g., tokenization)
• Load the Jeopardy dataset and perform initial data exploration
• Clean and preprocess the data, including normalizing text and converting dollar values
• Implement a function to find the number of times a term appears in questions
• Create a function to compare the frequency of terms in low-value vs. high-value questions
• Apply the chi-squared test to determine if certain terms are statistically significant
• Analyze the results to develop strategies for Jeopardy success
• Processing and analyzing large text datasets using pandas
• Applying statistical tests to validate hypotheses in data analysis
• Implementing custom functions for text analysis and frequency comparisons
• Deriving actionable insights from complex datasets to inform game strategy
• J! Archive - Fan-created archive of Jeopardy! games and players

15. Predicting Heart Disease

Difficulty Level: Advanced

In this challenging but guided data science project, you'll build a K-Nearest Neighbors (KNN) classifier to predict the risk of heart disease. Using a dataset from the UCI Machine Learning Repository, you'll work with patient features such as age, sex, chest pain type, and cholesterol levels to classify patients as having a high or low risk of heart disease. You'll explore the impact of different features on the prediction, optimize the model's performance, and interpret the results to identify key risk factors. This project will strengthen your skills in data preprocessing, exploratory data analysis, and implementing classification algorithms for healthcare applications.

• scikit-learn

To successfully complete this project, you should be familiar with supervised machine learning in Python and have experience with:

• Implementing machine learning workflows with scikit-learn
• Understanding and interpreting classification metrics (accuracy, precision, recall)
• Feature scaling and preprocessing techniques
• Basic data visualization with Matplotlib
• Load and explore the heart disease dataset from the UCI Machine Learning Repository
• Preprocess the data, including handling missing values and scaling features
• Split the data into training and testing sets
• Implement a KNN classifier and evaluate its initial performance
• Optimize the model by tuning the number of neighbors (k)
• Analyze feature importance and their impact on heart disease prediction
• Interpret the results and summarize key findings for healthcare professionals
• Implementing and optimizing a KNN classifier for medical diagnosis
• Evaluating model performance using various metrics in a healthcare context
• Analyzing feature importance in predicting heart disease risk
• Translating machine learning results into actionable healthcare insights
• UCI Machine Learning Repository: Heart Disease Dataset

16. Credit Card Customer Segmentation

In this challenging but guided data science project, you'll perform customer segmentation for a credit card company using unsupervised learning techniques. You'll analyze customer attributes such as credit limit, purchases, cash advances, and payment behaviors to identify distinct groups of credit card users. Using the K-means clustering algorithm, you'll segment customers based on their spending habits and credit usage patterns. This project will strengthen your skills in data preprocessing, exploratory data analysis, and applying machine learning for deriving actionable business insights in the financial sector.

To successfully complete this project, you should be familiar with unsupervised machine learning in Python and have experience with:

• Implementing K-means clustering with scikit-learn
• Feature scaling and dimensionality reduction techniques
• Creating scatter plots and pair plots with Matplotlib and seaborn
• Interpreting clustering results in a business context
• Load and explore the credit card customer dataset
• Perform exploratory data analysis to understand relationships between customer attributes
• Apply principal component analysis (PCA) for dimensionality reduction
• Implement K-means clustering on the transformed data
• Visualize the clusters using scatter plots of the principal components
• Analyze cluster characteristics to develop customer profiles
• Propose targeted strategies for each customer segment
• Applying K-means clustering to segment customers in the financial sector
• Using PCA for dimensionality reduction in high-dimensional datasets
• Interpreting clustering results to derive meaningful customer profiles
• Translating data-driven insights into actionable marketing strategies
• Credit Card Dataset for Clustering on Kaggle

17. Predicting Insurance Costs

In this challenging but guided data science project, you'll predict patient medical insurance costs using linear regression. Working with a dataset containing features such as age, BMI, number of children, smoking status, and region, you'll develop a model to estimate insurance charges. You'll explore the relationships between these factors and insurance costs, handle categorical variables, and interpret the model's coefficients to understand the impact of each feature. This project will strengthen your skills in regression analysis, feature engineering, and deriving actionable insights in the healthcare insurance domain.

To successfully complete this project, you should be familiar with linear regression modeling in Python and have experience with:

• Implementing linear regression models with scikit-learn
• Handling categorical variables (e.g., one-hot encoding)
• Evaluating regression models using metrics like R-squared and RMSE
• Creating scatter plots and correlation heatmaps with seaborn
• Load and explore the insurance cost dataset
• Perform data preprocessing, including handling categorical variables
• Conduct exploratory data analysis to visualize relationships between features and insurance costs
• Create training/testing sets to build and train a linear regression model using scikit-learn
• Make predictions on the test set and evaluate the model's performance
• Visualize the actual vs. predicted values and residuals
• Implementing end-to-end linear regression analysis for cost prediction
• Handling categorical variables in regression models
• Interpreting regression coefficients to derive business insights
• Evaluating model performance and understanding its limitations in healthcare cost prediction
• Medical Cost Personal Datasets on Kaggle

18. Classifying Heart Disease

In this challenging but guided data science project, you'll work with the Cleveland Clinic Foundation heart disease dataset to develop a logistic regression model for predicting heart disease. You'll analyze features such as age, sex, chest pain type, blood pressure, and cholesterol levels to classify patients as having or not having heart disease. Through this project, you'll gain hands-on experience in data preprocessing, model building, and interpretation of results in a medical context, strengthening your skills in classification techniques and feature analysis.

To successfully complete this project, you should be familiar with logistic regression modeling in Python and have experience with:

• Implementing logistic regression models with scikit-learn
• Evaluating classification models using metrics like accuracy, precision, and recall
• Interpreting model coefficients and odds ratios
• Creating confusion matrices and ROC curves with seaborn and Matplotlib
• Load and explore the Cleveland Clinic Foundation heart disease dataset
• Perform data preprocessing, including handling missing values and encoding categorical variables
• Conduct exploratory data analysis to visualize relationships between features and heart disease presence
• Create training/testing sets to build and train a logistic regression model using scikit-learn
• Visualize the ROC curve and calculate the AUC score
• Summarize findings and discuss the model's potential use in medical diagnosis
• Implementing end-to-end logistic regression analysis for medical diagnosis
• Interpreting odds ratios to understand risk factors for heart disease
• Evaluating classification model performance using various metrics
• Communicating the potential and limitations of machine learning in healthcare

19. Predicting Employee Productivity Using Tree Models

In this challenging but guided data science project, you'll analyze employee productivity in a garment factory using tree-based models. You'll work with a dataset containing factors such as team, targeted productivity, style changes, and working hours to predict actual productivity. By implementing both decision trees and random forests, you'll compare their performance and interpret the results to provide actionable insights for improving workforce efficiency. This project will strengthen your skills in tree-based modeling, feature importance analysis, and applying machine learning to solve real-world business problems in manufacturing.

To successfully complete this project, you should be familiar with decision trees and random forest modeling and have experience with:

• Implementing decision trees and random forests with scikit-learn
• Evaluating regression models using metrics like MSE and R-squared
• Interpreting feature importance in tree-based models
• Creating visualizations of tree structures and feature importance with Matplotlib
• Load and explore the employee productivity dataset
• Perform data preprocessing, including handling categorical variables and scaling numerical features
• Create training/testing sets to build and train a decision tree regressor using scikit-learn
• Visualize the decision tree structure and interpret the rules
• Implement a random forest regressor and compare its performance to the decision tree
• Analyze feature importance to identify key factors affecting productivity
• Fine-tune the random forest model using grid search
• Summarize findings and provide recommendations for improving employee productivity
• Implementing and comparing decision trees and random forests for regression tasks
• Interpreting tree structures to understand decision-making processes in productivity prediction
• Analyzing feature importance to identify key drivers of employee productivity
• Applying hyperparameter tuning techniques to optimize model performance
• UCI Machine Learning Repository: Garment Employee Productivity Dataset

20. Optimizing Model Prediction

In this challenging but guided data science project, you'll work on predicting the extent of damage caused by forest fires using the UCI Machine Learning Repository's Forest Fires dataset. You'll analyze features such as temperature, relative humidity, wind speed, and various fire weather indices to estimate the burned area. Using Python and scikit-learn, you'll apply advanced regression techniques, including feature engineering, cross-validation, and regularization, to build and optimize linear regression models. This project will strengthen your skills in model selection, hyperparameter tuning, and interpreting complex model results in an environmental context.

To successfully complete this project, you should be familiar with optimizing machine learning models and have experience with:

• Implementing and evaluating linear regression models using scikit-learn
• Applying cross-validation techniques to assess model performance
• Understanding and implementing regularization methods (Ridge, Lasso)
• Performing hyperparameter tuning using grid search
• Interpreting model coefficients and performance metrics
• Load and explore the Forest Fires dataset, understanding the features and target variable
• Preprocess the data, handling any missing values and encoding categorical variables
• Perform feature engineering, creating interaction terms and polynomial features
• Implement a baseline linear regression model and evaluate its performance
• Apply k-fold cross-validation to get a more robust estimate of model performance
• Implement Ridge and Lasso regression models to address overfitting
• Use grid search with cross-validation to optimize regularization hyperparameters
• Compare the performance of different models using appropriate metrics (e.g., RMSE, R-squared)
• Interpret the final model, identifying the most important features for predicting fire damage
• Visualize the results and discuss the model's limitations and potential improvements
• Implementing advanced regression techniques to optimize model performance
• Applying cross-validation and regularization to prevent overfitting
• Conducting hyperparameter tuning to find the best model configuration
• Interpreting complex model results in the context of environmental science
• UCI Machine Learning Repository: Forest Fires Dataset

21. Predicting Listing Gains in the Indian IPO Market Using TensorFlow

In this challenging but guided data science project, you'll develop a deep learning model using TensorFlow to predict listing gains in the Indian Initial Public Offering (IPO) market. You'll analyze historical IPO data, including features such as issue price, issue size, subscription rates, and market conditions, to forecast the percentage increase in share price on the day of listing. By implementing a neural network classifier, you'll categorize IPOs into different ranges of listing gains. This project will strengthen your skills in deep learning, financial data analysis, and using TensorFlow for real-world predictive modeling tasks in the finance sector.

To successfully complete this project, you should be familiar with deep learning in TensorFlow and have experience with:

• Building and training neural networks using TensorFlow and Keras
• Preprocessing financial data for machine learning tasks
• Implementing classification models and interpreting their results
• Evaluating model performance using metrics like accuracy and confusion matrices
• Basic understanding of IPOs and stock market dynamics
• Load and explore the Indian IPO dataset using pandas
• Preprocess the data, including handling missing values and encoding categorical variables
• Engineer features relevant to IPO performance prediction
• Split the data into training/testing sets then design a neural network architecture using Keras
• Compile and train the model on the training data
• Evaluate the model's performance on the test set
• Fine-tune the model by adjusting hyperparameters and network architecture
• Analyze feature importance using the trained model
• Visualize the results and interpret the model's predictions in the context of IPO investing
• Implementing deep learning models for financial market prediction using TensorFlow
• Preprocessing and engineering features for IPO performance analysis
• Evaluating and interpreting classification results in the context of IPO investments
• Applying deep learning techniques to solve real-world financial forecasting problems
• Securities and Exchange Board of India (SEBI) IPO Statistics

How to Prepare for a Data Science Job

Landing a data science job requires strategic preparation. Here's what you need to know to stand out in this competitive field:

• Research job postings to understand employer expectations
• Develop relevant skills through structured learning
• Build a portfolio of hands-on projects
• Prepare for interviews and optimize your resume
• Commit to continuous learning

Research Job Postings

Start by understanding what employers are looking for. Check out data science job listings on these platforms:

Steps to Get Job-Ready

Focus on these key areas:

• Skill Development: Enhance your programming, data analysis, and machine learning skills. Consider a structured program like Dataquest's Data Scientist in Python path .
• Hands-On Projects: Apply your skills to real projects. This builds your portfolio of data science projects and demonstrates your abilities to potential employers.
• Put Your Portfolio Online: Showcase your projects online. GitHub is an excellent platform for hosting and sharing your work.

Pick Your Top 3 Data Science Projects

Your projects are concrete evidence of your skills. In applications and interviews, highlight your top 3 data science projects that demonstrate:

• Critical thinking
• Technical proficiency
• Problem-solving abilities

We have a ton of great tips on how to create a project portfolio for data science job applications .

Resume and Interview Preparation

Your resume should clearly outline your project experiences and skills . When getting ready for data science interviews , be prepared to discuss your projects in great detail. Practice explaining your work concisely and clearly.

Job Preparation Advice

Preparing for a data science job can be daunting. If you're feeling overwhelmed:

• Remember that everyone starts somewhere
• Connect with mentors for guidance
• Join the Dataquest community for support and feedback on your data science projects

Continuous Learning

Data science is an evolving field. To stay relevant:

• Keep up with industry trends
• Stay curious and open to new technologies
• Look for ways to apply your skills to real-world problems

Preparing for a data science job involves understanding employer expectations, building relevant skills, creating a strong portfolio, refining your resume, preparing for interviews, addressing challenges, and committing to ongoing learning. With dedication and the right approach, you can position yourself for success in this dynamic field.

Data science projects are key to developing your skills and advancing your data science career. Here's why they matter:

• They provide hands-on experience with real-world problems
• They help you build a portfolio to showcase your abilities
• They boost your confidence in handling complex data challenges

In this post, we've explored 21 beginner-friendly data science project ideas ranging from easier to harder. These projects go beyond just technical skills. They're designed to give you practical experience in solving real-world data problems – a crucial asset for any data science professional.

We encourage you to start with any of these beginner data science projects that interests you. Each one is structured to help you apply your skills to realistic scenarios, preparing you for professional data challenges. While some of these projects use SQL, you'll want to check out our post on 10 Exciting SQL Project Ideas for Beginners for dedicated SQL project ideas to add to your data science portfolio of projects.

Hands-on projects are valuable whether you're new to the field or looking to advance your career. Start building your project portfolio today by selecting from the diverse range of ideas we've shared. It's an important step towards achieving your data science career goals.

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• MERN Interview Questions
• MERN Projects
• MERN Stack Developer
• React Interview Questions
• NodeJS Interview Questions
• ExpressJS Interview Questions

How To Use MERN Stack: A Complete Guide

The MERN stack, comprising MongoDB, ExpressJS, ReactJS, and NodeJS, is a powerful framework for building modern web applications. MongoDB offers a scalable NoSQL database, ExpressJS simplifies server-side development, ReactJS creates dynamic user interfaces, and NodeJS enables server-side JavaScript execution. In this article, we will see how To Use MERN Stack: A Complete Guide.

What is MERN Stack?

MERN is for MongoDB , ExpressJS , ReactJS , & NodeJS . It is an integrated technology for modern web applications.

• MongoDB : A NoSQL database that stores data in JSON -like documents. It’s flexible and scalable, perfect for handling more amounts of data.
• ExpressJS: A web application framework for Node.Js. It simplifies the process of constructing internet programs and APIs with the aid of providing a strong set of functions.
• ReactJS: A JavaScript library for constructing consumer interfaces. It permits builders to create reusable UI additives and build interactive web programs correctly.
• NodeJS: A JavaScript runtime surroundings that authorises you to run JavaScript code out of the doors of an internet browser.

Installing the MERN Stack

• NodeJS installation: Click to the Node.js website and download the installer for your own operating system. Follow the installation instructions to install in your device.
• Installing MongoDB: MongoDB provides installation for various operating systems on its network. Download and install MongoDB Community Edition.
• Create a New Project Directory: Open your terminal or command prompt or create a new directory on your MERN stack project.
• Initialize Your Project: Inside your project directory, initialize a new Node.js project by working npm init -y. This will create a package.json file.
• Install Dependencies: Install the necessary dependencies for your project:

Building backend (Node.js + Express.js + MongoDB)

1. initialize the node application.

2. Configure Your Server : Create a new file called server.js, and import Express.js.

3. Connect to MongoDB: Install the mongoose package and connect your Express.js application to MongoDB.

3. Create API Endpoints: Define routes to handle HTTP requests . To create a simple API endpoint for fetch data.

Building the Frontend (React.js)

1 . Create React App : Run the following command in your terminal to create a new React.js app inside your project directory:

2 . Proxy setting: Open the package.json file inside, the client directory and add a proxy to forward API requests to Express.js server.

3. Fetch Data from Backend: Inside your React components, use the fetch API or libraries like axios to fetch data from your Express.js backend.

Putting It All Together

• Deploy your application: Start your Express.js server by running node server.js in a terminal window. Now, go to the client directory and run “npm start” to start the React development server.
• Build your application: Once you are ready to deploy your application, run “npm run build” from the client directory and create the React app. This will have your React app ready to be built in the build folder.
• Deploy your application : You can deploy your MERN stack application to platforms such as Heroku, AWS, or DigitalOcean. Be sure to configure your deployment environment correctly, including setting environment variables for important information.

You have now developed a full stack web application using the MERN stack. Keep exploring and experimenting to create even more powerful and robust applications.

Step 1: Setup and Installation

1. install node.js and mongodb.

Ensure you have Node.js and MongoDB installed on your machine. You can download them from their official websites.

2. Create Project Directory

Step 2: initialize the backend (express & mongodb), 1. initialize a node.js project.

2. Install Dependencies

3. Create Folder Structure

4. create server.js.

Note: Make sure that it has your mongodb credentials like urls and password, So that it will connect to the mongodb. Also include your IP address in your mongodb collection, otherwise it won’t access your data.

5. Create a Mongoose Model (models/Todo.js)

6. create routes (routes/todoroutes.js), step 3: initialize the frontend (react).

1. Create React App

3. Folder Structure

Create the following folders and files in src:

4. Create Components

Step 4: Add Some CSS to give good look.

Step 5: run the application.

1. Start MongoDB

Ensure your MongoDB server is running:

2. Start Backend Server

In the backend directory:

3. Start React Frontend

In the frontend directory:

Folder Structure Overview

For Front End :-

Front End Structure

For Back End :-

Backend Structure

Dependencies

By following this guide, you have built a full-stack web application using the MERN stack. You’ve learned to install Node.js and MongoDB, set up the backend with Express.js, connect to MongoDB using Mongoose, and create a dynamic frontend with React.js. With your application now deployed, you have a robust foundation for further development and optimization. The MERN stack offers a streamlined, efficient approach to building powerful web applications. Continue exploring and enhancing your skills to make the most of this versatile technology stack.

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50 Sensational 7th Grade Science Fair Projects and Classroom Activities

Mummification, oxidation, electroplating, and more!

Engage every student with these 7th grade science fair projects, whether they’re interested in biology, chemistry, physics, environmental science, or any other discipline. Plus, find interesting classroom demos, experiments, and hands-on activities to spice up your lesson plans!

To make it easier to find classroom activities or science fair ideas for 7th grade, we’ve rated all the projects by difficulty and the materials needed:

Difficulty:

• Easy: Low or no-prep experiments you can do pretty much anytime
• Medium: These take a little more setup or a longer time to complete
• Advanced: Experiments like these take a fairly big commitment of time or effort
• Basic: Simple items you probably already have around the house
• Medium: Items that you might not already have but are easy to get your hands on
• Advanced: These require specialized or more expensive supplies to complete

Biology and Ecology Science Fair Ideas for 7th Grade

Chemistry science fair ideas for 7th grade, physics and engineering science fair ideas for 7th grade, 7th grade science classroom demos, experiments, and hands-on activities.

Want to learn more about animals or human behavior, the environment around you, or other life science topics? Try these 7th grade science fair projects.

Learn whether color affects memory

Difficulty: Easy / Materials: Medium

Can certain colors improve your memory? This experiment explores that idea using different text, background colors, and blue light settings on devices.

Learn more: Colors and Memory at Education.com

Explore how sugary drinks affect teeth

The calcium content of eggshells makes them a great stand-in for teeth. In this experiment, students use eggs to determine how soda and juice stain the teeth and wear down the enamel. (Bonus: Have students try different toothpaste and toothbrush combinations to see how effective they are.)

Learn more: Eggshell Experiment at Feels Like Home

Extract DNA from an onion

Difficulty: Medium / Materials: Medium

Learn how to extract DNA from an onion (most of what you need you can find at home, and you can get 95% ethanol at Amazon ). Then, turn it into an experiment by applying the theory to other fruits or vegetables to see if you can get similar results.

Stretch your mind with a flexibility experiment

Difficulty: Medium / Materials: Basic

Find out how important stretching really is by comparing the flexibility of willing test subjects before and after stretch exercises. This is a great experiment for fitness fans.

Learn more: Flexibility Experiment at We Have Kids

Construct a DIY grow box

Design a grow box using a cardboard box, foil, and a plug-in light socket . Then, use it for all kinds of plant-based science fair ideas for 7th grade students.

Learn more: DIY Grow Box at Uplifting Mayhem

Collect and control biofilm

Bacteria that accumulate on objects in the water form a substance called biofilm. In this 7th grade science fair project, students build an apparatus to collect biofilm and then experiment with ways to reduce the amount of biofilm that accumulates over time.

Learn more: Biofilm Experiment at The Homeschool Scientist

See if caffeine helps you type faster

People seek out a jolt of caffeine when they’re feeling sluggish, but does it really help them perform better? This 7th grade science fair project tasks students with answering that question using the scientific method.

Find out if all plants are phototropic

You probably already know that many plants grow toward the light. But do all of them respond in the same way? Test several types of plants to find out.

Devise a water filtration system

Plenty of homes use water filtration systems these days, but how do they really work? This chemistry experiment explores how charcoal filters impurities from drinking water.

Learn more: Water Filtration at The Homeschool Scientist

Determine whether text abbreviations are a new language

Kids are fluent in text-speak, but does it really count as a whole new language? In this 7th grade science fair project, students research language and the history of texting, then compile a texting glossary and consider texting’s practical applications.

Learn more: Text Language at Education.com

If you’re fascinated by test tubes, beakers, and Bunsen burners, check out these interesting 7th grade science fair projects and ideas.

Design your own slime

Chances are good your students already love making and playing with slime. Turn the fun into an experiment by changing the ingredients to create slime with a variety of properties, from magnetic to glow-in-the-dark!

Copper-plate some coins

Students need just a few simple supplies to perform electroplating, but the results are always impressive. (Get copper strips  and 9V battery snap connectors with alligator clips on Amazon.) Turn this into a 7th grade science fair project by changing up the variables (does temperature matter?) or items being electroplated.

Learn more: Electroplating at KiwiCo

Swab and test for germs

Germ experiments are one of the most popular science fair ideas for 7th grade students. Swab household items, school supplies, and more to discover what’s living on the items around you.

Learn more: Germ Experiment at Angelic Scalliwags

Spherify your favorite beverage

Spherification is a hot trend in top restaurants, but 7th grade science students can easily replicate it at home with a spherification kit . This is a cool chemistry experiment, and tasty too!

Test calorie counts in packaged foods

Ever wonder how scientists determine how many calories are in your food? Try this experiment to find out!

Explore mummification

First, learn how to mummify a hot dog using baking soda as a desiccant. Then, experiment with other desiccants or items to turn this into a bona fide experiment.

Play around with oxidation

Can you find a way to slow or prevent oxidation (rusting)? This is one of those 7th grade science fair ideas that’s simple in concept but has lots of practical applications.

Learn more: Oxidation Experiment at Teach Beside Me

Blow hot or cold bubbles

Blowing bubbles may sound like too much fun for a science project, but when conditions like temperature are altered, the experimental part kicks in. What conditions do you need to blow a bubble that freezes?

Learn more:  Bubble Life & Temperature at ThoughtCo.

Whip up some eggshell chalk

Use the calcium in eggshells to make your own sidewalk chalk. Then, tinker with the recipe to see if you can make the chalk last longer, resist water, or other variables.

Learn more: DIY Chalk at Kidspot

See the effect of acid rain on plants

Difficulty: Easy / Materials: Basic

This simple project tests whether acid rain has any effect on plant life, using vinegar in place of fossil fuels. Experiment with different acid concentrations and pH levels for a more advanced version.

Learn more: Acid Rain Experiment at STEAM Powered Family

Explore the laws of motion, the science of energy, or STEM challenge engineering ideas through 7th grade science fair projects like these.

Drive a balloon-powered car

Engineer a balloon-powered car using basic materials from around the house (even the wheels are bottle caps!). Experiment to see how far or fast you can make the car go.

Learn more: Balloon Car at Prolab

Construct a geodesic dome

Budding engineers will love designing, building, and testing the strength of the fascinating geodesic dome. This experiment requires nothing more than newspaper and masking tape!

Design a solar oven

Students experiment with the best way to build a solar oven, exploring thermal energy, reflection, convection, and other physics concepts. They can serve up their experiment results along with their final reports!

Learn more: Solar Oven at Children’s Science Center

Lend a helping hand

This is a great individual or group 7th grade science project, as it encourages students to use and hone their design and engineering skills to make a working model of a hand. If you’ve got robotics skills, take this project to a more advanced level.

Build a Da Vinci bridge

There are plenty of bridge-building experiments out there, but this one is unique. It’s inspired by Leonardo da Vinci’s 500-year-old self-supporting wooden bridge. Build a model and test the amount of weight it can hold, or craft a full-size version to put Da Vinci’s plan into action.

Construct a water clock

You’ll blow your 7th grade science students’ minds when you tell them they’re going to build a clock using engineering that’s been around for thousands of years. The supplies are simple, but the results are pretty neat!

Learn more: Water Clock at STEAM Powered Family

Generate electricity

In this science fair project, kids build a generator from scratch. Turn it into an experiment by varying the materials to see if you can increase the amount of energy it produces.

Test the elasticity of balloons

Explore whether heat and cold have an effect on elasticity using balloons. Try this with other materials too to expand the project. ( Find more balloon science here! )

Freeze water in an instant

Explore the concept of nucleation (the process of chain reactions) by turning water into ice in seconds! Make this a 7th grade science fair project by trying the same process with other liquids.

Auto-feed your pet

Difficulty: Advanced / Materials: Advanced

Can you build a device that feeds your pets automatically? Even better, can you make it inexpensive and easy for others to build too? This project has real practical applications.

Use these classroom activities to teach human biology, mechanical engineering, and more physics and chemistry concepts in engaging and exciting ways.

Use Oreos to teach mitosis

A 7th grade science activity that doubles as a sweet treat? Your students are going to love this activity using Oreo cookies and colorful sprinkles to make cellular mitosis models.

Learn more: Oreo Mitosis at Ballin With Balling

Twist pipe cleaners to explore meiosis

Meiosis is similar to mitosis, but it’s specific to the production of gametes. These hands-on models use basic materials like pipe cleaners and beads to make the process easier to visualize.

Learn more: Meiosis Models at Science Prof Online

Teach about “Homer-o-stasis”

Difficulty: Medium / Materials: Advanced

This is such a fun way to teach kids about the concept of homeostasis! Get all the instructions you need at the link.

Learn more: Homer-o-stasis at The Trendy Science Teacher

Sort jelly beans to learn genetics

If you’re learning about how genetic traits are passed along from parent to child, try this jelly-bean demo. When you’re finished, you can enjoy a sweet treat!

Learn more: Jelly Bean Genetics at The Owl Teacher

Design a pinball machine

Give your class basic supplies like rubber bands, plastic cups, and cardboard boxes. Then challenge them to create their very own pinball machines!

Learn more: Pinball STEM Challenge at Student Savvy

Conduct a carbon cycle lab activity

If you’ve got access to some basic chemicals, conduct this lab that helps students see the carbon cycle in action using their own breath.

Learn more: Science Lessons That Rock

Make a tea bag float on air

This easy experiment is a cool way to show kids how heat affects air molecules, making hot air rise. They’ll need some supervision with the fire, so try this out on the playground for extra safety.

Learn more: Floating Tea Bags at Coffee Cups and Crayons

Learn how salt affects density

Explore the salinity of various bodies of water, then re-create their waters to see if you can make an egg float or sink. Experiment with other objects too.

Learn more: Saltwater Density at Uplifting Mayhem

Watch the greenhouse effect in action

Climate change can be a contentious topic, so start by teaching kids about the greenhouse effect, which is easy to see and understand. Then, urge them to explore data collected by other scientists so they can learn to make informed decisions about topics like global warming.

Learn more: Greenhouse Effect at Teaching Science With Lynda

Blow bubbles to explore cell membranes

Kids are never too old to enjoy bubbles, so use them to learn more about cell membranes in this fun 7th grade science activity.

Learn more: Cell Membrane Bubbles at The Trendy Science Teacher

Marvel at a density rainbow

We learn early on that oil floats on water, but where do other liquids fit in? Students find out when they conduct this colorful density experiment that has them layer different substances, making a rainbow.

Ride the wave (machine)

Learning about wave action? Build this surprisingly easy wave machine for hands-on exploration.

Learn more: Wave Machine at Engaging Science Labs

Create a taxonomy system

Students can step into Linnaeus’ shoes by creating their own system of taxonomy using a handful of different dried beans. This is a fun 7th grade science project to do in groups, so students can see the differences between each group’s system.

Learn more: Taxonomy Project at Our Journey Westward

Bake an edible cell model

Sure, students could build a cell model out of clay, but cake and candy are so much more delicious! Check out the link below to see how one teacher does it.

Learn more: Edible Cell Model at Weird Unsocialized Homeschooling

Swing a glass of water

This classic science experiment teaches kids about centripetal force. Be forewarned: This could potentially make a bit of a mess, so consider taking this one outside.

Simulate natural selection with a lab activity

Travel to the Galápagos Islands and follow in Darwin’s footsteps as students explore finch beak adaptations in this clever natural selection lab.

Learn more: Natural Selection Lab at Teach To Serve

Participate in Project FeederWatch

Citizen science projects bring science to life for kids! One of our favorites is Project FeederWatch, where kids put out bird feeders and then count and report on their visitors. This is a great way to build a love of birding for life.

Learn more: Classroom Resources at Project FeederWatch

Experiment with basic substances to learn about chemical change

If you’re introducing lab work and chemistry basics to 7th graders, this easy lab is a great way to do it. They’ll learn safety procedures and get to feel like “real” scientists as they pour, mix, swirl, and more.

Learn more: Chemical Change Lab at Super Sass and Science Class

Assemble an edible DNA model

DNA models are always more fun when you can snack on them afterwards. Want to make this a healthier activity? Use fruits and veggies to make models instead.

Learn more: Edible DNA Model at Hess UnAcademy

Craft a food web marble maze

Combine a STEM challenge with learning about food webs in this clever project. Kids will love the hands-on aspect, and it will really help the learning stick.

Learn more: Food Web Marble Maze at Teach Savvy

Keep the STEM learning going with these 15 Items All Middle School Math Classrooms Need .

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