60 + Easy Science Experiments For Kids

Bottle Composter | Busy Mommy Media

Grab a two-liter bottle and make this small-scale bottle composter to give your kids a hands-on science project they can observe over time. This project is great because it uses items destined for the trash and allows kids to observe the composting process.

Bread Mold Experiment  | Little Bins For Little Hands

This project is fun for kids and requires a few simple supplies you have on hand. Grab a few slices of bread and let the kids experiment to find out what conditions create bread mold the fastest. The results might surprise everyone!

Make a Rot Museum| Teach Beside Me

Sometimes, science can be disgusting! This experiment creates a mini museum of rotting food to give little learners insight into how preservatives keep food fresh for longer and how food changes as it decays. The results are quite gross, so kids are bound to love it!

Fake Snot | Little Bins With Little Hands

If you need a science experiment that is slimy, stretchy, gooey, and a little gross, then this fake snot is a must-make. Kids can safely taste this snotty slime after mixing up common pantry staples to make a hands-on science experiment.

While you are waiting for things to rot or mould to grow, head over to You Tube. Here is a time-lapse video of a  rotting watermelon. It is delightfully disgusting!

Crawling Colors| Parenting Chaos

Grab some paper towels, water, and food coloring to recreate this easy yet informative experiment at home. Crawling colors make a fun rainbow while showing children capillary action in action!

Simple Refraction Science| Look, We’re Learning

Sometimes, simple science projects are the best ones to try at home. This one needs only a few simple supplies, such as a Post-it, a marker, and a bottle of water, to show a perfect example of how light refracts with the help of water.

Exploring The Density of Liquids |Buggy and Buddy

Grab a few common kitchen staples and make a modified version of a lava lamp with the kids. This project is visually appealing and offers a lesson in the density of liquids that kids use.

Simple Water Displacement Experiment|Life with Moore Babies

Pair this water displacement experiment with the story of the crow and the pitcher. Adding pebbles, marshmallows, pom poms, or whatever you have on hand can teach kids about buoyancy and water displacement and is great hands-on fun.

The Amazing Leak-Proof Bag|Hand On As We Grow

This is such a fun experiment for kids as it teaches them about the science of plastic bags and polymers. What happens when you poke pencils through a bag filled with water? The whole family will want to try this one.

Measuring Buoyancy Experiment – KC Edventures

This hands-on study in physics is so much fun for kids. Take this project outside on a warm day and let the kids discover firsthand what sinks in water and floats. Offer them a variety of fruits and a bucket of water, and let them have a healthy snack when the experiments are finished.

Water Bottle Fountain| Learn With Play At Home

This simple project uses supplies like a bottle, straw, and balloon to make a homemade water fountain. Combine the hands-on assembly with a lesson about how air is always at work, even when people can’t see it.

Water Whistles|My Baba

Grab your scissors, a straw, and a glass of water to make this fun water whistle. Kids will have fun making sounds from simple supplies and learn about vibrations and sounds during the activity!

How To Make a Lava Lamp|Coffee Cups and Crayons

Kids will think this is the coolest way to learn about density! Grab vegetable oil, food coloring, and alka seltzer to make a bubbling, swirling lava lamp. Learning has never felt so groovy! I once did this with a group of tweens, and they were really impressed.

Vinegar and Baking Soda Rocket| Frugal Fun For Boys And Girls

Science blasts off with this experiment. All you need are unsharpened pencils, an empty 2-liter bottle, vinegar, and baking soda. Get ready to launch a vinegar and baking soda rocket into the sky. This reaction will ignite your kid’s desire to learn more about chemistry and Newton’s 3rd law of motion.

Fun Volcano Science|Rainy Day Mom

This experiment combines geology, chemistry, and a little hands-on craft. After you create a model volcano, you can experiment with explosions to show kids a gentle and safe demonstration of how volcanoes work.

Exploding Paint Bags| Growing a Jeweled Rose

This project is part art and part chemistry. The results are creative, colorful, and nothing short of explosive! Grab some Ziploc bags, paint, and vinegar, and get ready for exploding paint bags that are kid-safe and so much fun!

Baking Soda Powered Boat as seen on Science Sparks.

Just how powerful is baking soda? Let your kids discover how this common kitchen item reacts with a splash of vinegar. Create a baking soda boat and watch it go.

Color Experiment|Hands On As We Grow.

This simple hands-on science activity needs a roasting pan! Sprinkle baking soda over the bottom and offer the kids colored vinegar to make some fizzy and fun reactions. This is the ultimate rainy day activity, and your kids will love watching the colors fizz together!

Baking Soda And Vinegar Balloon Experiment| Learn Play Imagine

Kids will be awed as they inflate a balloon without blowing into it. This hands-on science will use science to blow up a balloon and give them a little chemistry lesson.

Fizzy Lemonade|Learn With Play At Home

Add baking soda to your homemade lemonade to give it a delightful fizz! This edible science activity for kids is perfect for a hot summer day, as it can quench your thirst for lemonade and learning!

Jumping Apple Seeds Experiment | JDaniel4s Mom

Jumping apple seeds combines a great story, a snack, and a hands-on science project. Kids will have fun making the seeds from their snack jump and dance around a glass. They will also see what happens when vinegar and baking soda meet.

Earth Day Fizzy Globe Experiment| Rediscovered Families

Give your kids a hands-on lesson in chemical reactions with an earth-centered approach. This fizzy and fun experiment is colorful and budget-friendly, so you can get hands-on with your little learners.

I tried exploding bags with my children’s group at the library. They loved it!

Magic Light Bulb| Happy Brown House

Prepare to be impressed with this experiment. Kids will be wowed when they discover you can power a lightbulb with a balloon and some static electricity!

Bending Water|A Dab Of Glue Will Do

Static electricity is often the first hands-on science example that kids recognize. Why not combine the fun of rubbing a hair-raising balloon over the head to determine if it is possible to bend water? Kids will think this science lesson at home is electrifyingly fun.

Jumping Goop| Frugal Fun For Boys and Girls

Balloon Experiment|Kids Activities Blog

Grab some balloons and small scraps from the junk drawer, such as tissue paper, aluminum foil bits, yarn, and ribbon, to try some balloon experiments that will spark your kids’ interest in science and static electricity.

Magic Spoon Experiment| The Science Kiddo

Static electricity does more than startle us in the winter when we touch something metal. This hands-on experiment with static makes a spoon into a magical wand as it separates salt from pepper!

Check out these awesome tricks science tricks that use static electricity

Dyed Flowers Science Experiment| The Imagination Tree

Grab some white flowers and food coloring to make this really lovely science project. Your kids will love transforming a white flower into one tinted by their favorite color to make a rainbow bouquet.

Cress Heads| Red Ted Art

Save your eggshells to make these adorable cress heads. Give your shells a sweet face and turn them into planters to watch the science of seeds before your eyes. The bonus of this project is that you can eat the results the following week.

Growing Seeds |Mombrite

Kids know that if they plant a seed, something might grow, but as growing seeds start life underground, they don’t often see the process. This experiment allows kids to watch the seeds germinate and sprout.

How Does a Leaf Breathe? |Edventures With Kids

Grab a bowl of water and a leaf from outside to watch this STEM project in action. As your kids place leaves in a bowl of water, they can see photosynthesis and respiration in action, gaining a whole new understanding of how plants and leaves breathe.

Growing Beans in a Bag| Science Kiddo

When spring is on the horizon, and your kids are growing curious about plants and flowers, you can plant bean seeds in plastic bags This will give the kids a window into how plants grow and give your bean plants a head start before they are planted outside in a few weeks.

Sorting and Comparing Seeds| How Wee Learn

Set up this sorting activity up to teach your little gardener sorting and organizing. Grab an ice cube tray and let the little ones work on fine motor skills and plant identification.

Easy Fall Leaf Experiment| A Little Pinch of Perfect

Take the kids on a hike and collect leaves to create this simple experiment. Soaking leaves in alcohol will give kids a chance to examine fall colors while learning about chlorophyll.

Why Do Pine Cones Open And Close|Parenting chaos

Take a nature walk with the kids and gather some pine cones to recreate this fun pinecone experiment with kids. Everyone will learn something new and fascinating about nature as they watch pinecones open and close based on the conditions they are in.

Regrowing Celery|Housing a Forest

This easy and fruitful activity combines a lesson in growing celery with a lesson in saving money. Kids will enjoy the process of growing their own celery at home from an often discarded scrap.

Plant Light Maze|Kiwi Co

While this technically isn’t a simple experiment, I am sure you will agree the efforts are well worth the results. Kids will be intrigued by the process of a plant growing through a maze to reach a light source.

Rainbow Science Activity| Fun With Mama

This activity is the perfect use of leftover Halloween candy! Grab some Skittles to make a magical rainbow. You only need the plate, warm water, and the Skittles for this fun experiment.

Growing Rock Candy|Happiness Is Homemade

This science project only needs simple supplies like sugar, water, and sticks. With seven simple ingredients and a little patience, you can grow a sweet treat worthy of sharing with all of your friends.

Ice Cream In A Bag | Rediscovered Families

This experiment proves you don’t need a fancy ice cream maker to have a cool and creamy treat at home. This project combines lessons on the phases of matter and freezing points. Shaking the ice cream in a bag is also a way to burn off some energy. The results are so deliciously sweet!

Exploding Peep Geyser |Housing a Forest

If you have some leftover Halloween peeps and an empty Gatorade bottle, you can make this sticky-sweet experiment with the kids. Exploding Peeps is fun and teaches them how matter changes with heat.

Floating M From M&M Candy |Little Bins for Little Hands

Grab that leftover Halloween candy and have some fun with M&M’s. This easy and fun experiment makes the iconic Ms float right off of a favorite candy.

Skittles Science |Homeschool Preschool

This experiment makes a gorgeous Skittles ocean scene that is completely mess-free. You can arrange your candy in a pattern and pour a little warm water over the top to watch the magic happen.

Growing Gummy Bears |Playdough to Plato

Everyone loves gummy bears, so why not turn them into a science experiment? The kids will find this lesson in osmotic pressure fascinating! Experiment with both salt water and tap water to see how big you can grow your gummy bears.

Candy Potions |Housing a forest

Kids love candy, so why not make it the star of a science lesson? They will have so much fun melting candy in water and mixing their own candy potions at home.

Blow Up A Balloon With Candy and Soda |Learn Play Imagine

The experiment of blowing up a balloon with vinegar and baking soda is well-known and fun, but this spin offers a sweeter result. Kids will be blown away by the results of mixing soda and candy to inflate their balloons.

Skittles Rainbow |Playdough to Plato

This science experiment in a jar puts a favorite rainbow candy to work to make a liquid rainbow in a jar. This lesson in density and how heavy sugar is so much fun that no one will be upset about parting with a little of their Halloween candy.

Making a Penny Turn Green |Buggy and Buddy

This lesson combines the fun of money with chemical reactions to make green pennies at home. The reaction of copper and vinegar to air makes any penny go from shiny and new to crusty and green in just a few days.

Invisible Ink |Step Momming

Grab some paper, Q-tips, and lemon juice to make this easy and fun invisible ink project, which teaches you about oxidation. Kids will be amazed by the process of making a message disappear and then reappear with the help of a blow dryer.

Magic Milk |Happy Hooligans

This swirling magical milk experiment is perfect for kids of all ages. Kids will be enchanted by how dish soap breaks the surface tension and reacts to the fat in the milk, making a psychedelic swirl before their eyes.

Butterfly Chromatography Craft |Buggy and Buddy

This fun project combines art and science. This creative project only requires markers, coffee filters, and water. Your kids will love making butterflies this way

 Homemade Butter |Happy Hooligans

This is the perfect experiment to make with energetic kids. Making butter in a jar gives them a chance to shake some of their energy off while making a tasty addition to dinner. After you make homemade butter, your kids will want to help with this delicious science project again!

Solar Power Oven |Motherhood On a Dime

This is a great science project to make with the kids on a summer day. Create a solar power box, pop some s’mores inside, and let the sun make a snack without a campfire.

Dancing Oobleck |Housing a Forest

Kids love Oobleck! It is fun to make and fun to touch, but this non-Newtonian fluid dances with the help of sound waves. This is a must-try hands-on science experiment, and kids will have a blast.

Underwater Sound Experiment for Kids |Still Playing School

Create a hydrophone to discover how sound travels underwater. This is so much fun and gives little learners a good example of how sound waves travel through the air, gas, and liquid.