60 Easy Science Experiments for Kids

May 31, 2024

easy science experiments for kids

What makes clouds rain? Why do crayons burn? Why is it easier to float in salt water? Science experiments for kids are fun, but they’re also a hands-on way to learn and discover our world’s many mysteries. Future chemistry majors, engineers, and PhDs need to start somewhere, and at-home experiments are a perfect way for kids to begin applying their natural curiosity to STEAM subjects. Ready to spark your young scientist in the making? We’ve got 60 easy science experiments for kids of all ages. In this article, we’ll cover:

  • Easy Science Experiments for Kids—Kindergarten-5th Grade Experiments
  • Easy Science Experiments for Kids—6th-8th Grade Experiments
  • Science Experiments for Kids—More Resources

60 Easy Science Experiments for Kids—Kindergarten-5th Grade Experiments

1) Make a Bouncy Egg

If you’ve got an egg and a couple of days, you can make a bouncy egg. Yes, you heard us right: a bouncy egg. A super simple chemistry activity that’s sure to amaze, all you need for this experiment is an uncooked egg, food coloring, and vinegar.

2) Blow Giant Bubbles

A science experiment that gets kids outdoors, a soapy concoction lets you blow bubbles so big you could stand inside them. This experiment requires a few household chemicals, sticks, and string.

3) Grow an Avocado Tree

One of the easiest science experiments for kids, all you need to start your own avocado tree is an avocado pit, a jar, some toothpicks, and water. With a little time and sunlight, your plant will sprout roots.

4) Homemade Fly Trap

Put that fly swatter away! This experiment teaches kids about zoology and catches pesky home invaders at the same time. Kids test variables by making fly traps with a variety of different baits (aka honey, maple syrup, etc.) to see which best attracts the flies.

5) DIY Puffy Slime

An ooey gooey good time for kids, this experiment uses glue, glitter, and a few other safe chemicals to make puffy slime.

Easy Science Experiments for Kids (Continued)

6) Skittles Rainbow Experiment

To teach kids about diffusion, all you need is a bag of Skittles and warm water. As the Skittles melt into the water, they’ll make a rainbow—a beautiful and tasty visual illustration of this foundational chemistry principle.

7) Make Instant Ice Cream

We all scream for ice cream experiments. If you’re craving a sweet treat, why not make it yourself? This activity uses salt to turn cream and sugar into ice cream in no time.

8) 7 Layer Density Experiment

One of our favorite visual science experiments for kids, this activity is a simple illustration of the concept of density. All you need is a glass jar, food coloring, and liquids of various densities (honey, dish soap, water, etc.).

Easy Science Experiments for Kids (Continued)

9) Make Rock Candy

With just sugar, boiling water, a couple of sticks, and some string, kids will watch candy grow before their eyes. Rock candy takes about a week to grow, so this easy experiment for kids is a great lesson in science and patience.

10) Concoct Color-Changing Invisible Ink

A science experiment disguised as a magic trick, kids can learn about basic chemistry by using invisible ink to write secret messages. This method doesn’t use heat, so is great for all ages.

Easy Science Experiments for Kids (Continued)

11) Discover What Materials Block Wi-Fi Signals

Did you know that objects can get in the way of wi-fi signals? This experiment lets kids discover the extent to which common household items like aluminum foil, baking pans, or cardboard block radio waves.

12) Make an Erupting Volcano

Making your own personal volcano is so much easier than you think. Dish soap, white vinegar, and baking are the secret ingredients that create this fantastic chemical reaction.

13) Mummify a Hot Dog

Have you ever wondered about the science behind mummification? This fun experiment lets you preserve a hot dog for as long as you like and watch the changes it undergoes as it desiccates. Pro tip: if you want to eat a hot dog, stick to boiling it.

Easy Science Experiments for Kids (Continued)

14) Make a Balloon-Powered Car

One of our favorite easy science experiments for kids, this engineering challenge asks you to design a car powered by air escaping from a balloon. Use household items and see how creative you can get with design!

15) Make a Glass Bottle Xylophone

A great way for young scientists to learn about volume and pitch, this experiment shows kids how sound changes depending on how full a bottle is. A great one-day challenge, this experiment requires just a few supplies: bottles, water, and food coloring.

Easy Science Experiments for Kids (Continued)

16) Anti-gravity Ping Pong Experiment

One of the most mesmerizing science experiments for kids, this activity allows anyone to break the law of gravity. All you need is a bottle of water and a ping-pong ball. When you invert them, you’ll see something magical.

17) Apple Slice Oxidation Experiment

Your kids likely already know apple slides turn brown when left out, but this experiment lets fledgling scientists discover how variables impact oxidation. To run this experiment, kids immerse apple slices in a variety of liquids you already have in your pantry.

18) Make a Bubble Snake

A bubble snake maker is not your average bubble wand. An easy chemistry activity with a big payoff, this experiment lets you blow out a long snake-like strand of bubbles. For a fun group competition, see who can make the longest snake!

Easy Science Experiments for Kids (Continued)

19) Turn Milk into Plastic

It may sound implausible, but you can use regular milk from your refrigerator to make DIY plastic. This experiment uses a few simple chemistry techniques to make plastic that kids can mold into toys and figurines.

20) DIY Lava Lamp

Not only is it fun to look at, this DIY lava lamp experiment teaches kids about density and molecule polarity. Although the lava lamp comes together in just a couple minutes, it’s an experiment that you can put on display and enjoy for as long as you like.

Easy Science Experiments for Kids (Continued)

21) Make Sticky Ice

Ever heard of sticky ice? It’s no trick, with just water and salt, you can lift a chunk of ice with a thin piece of string.

22) Build a Popsicle Stick Catapult

With just popsicle sticks and a few other items you likely have on hand, you can send small projectiles soaring across the room. We recommend launching marshmallows into a friend’s mouth.

23) Make Your Own Sundial

No need to stare at the sun, this experiment offers a fun and easy way to discover how quickly the sun crosses the sky. With little more than a piece of cardboard and a pen, kids will be able to tell time with their own homemade sundial.

24) Paper Chromatography

Curious to know what color dyes are used to make markers and candy? Color chromatography separates chemicals into their individual components so you can see the surprising rainbow of colors that goes into dyes.

25) Make your Tea Bag Fly

Ever wished your tea bag could fly? Us neither, but it turns out flying tea bags are the making of a fun and surprising science experiment that teaches principles of heat energy.

Easy Science Experiments for Kids (Continued)

26) Make Oobleck

Oobleck might sound like a word from an alien language, but it’s actually a mixture of cornstarch and water. When it’s poured, it acts like water. When it’s poked, it acts like a solid. A hands-on way to teach kids about states of matter, this experiment is great for all ages.

27) Test Your Sunscreen Strength

Curious to see how well your sunscreen blocks out the sun? No need to volunteer for a sunburn. With a few pieces of black construction paper and different strength sunscreens, you can test SPF effectiveness.

28) Walking Water Experiment

Humans may not be able to walk on water, but young scientists can make water walk through this colorful experiment. This activity shows how water travels from one cup to another through capillary action. As a bonus, this experiment uses food dye to teach kids the basics of color theory.

29) Build a Balloon Rocket

An easy introduction to propulsion, kids of any age can make their own balloon rocket at home. For a fun group activity, have each kid decorate their own balloon and race them across the room.

30) Experiment with Straws

Are two straws better than one? A great activity for little kids, this experiment shows how an enclosed atmosphere responds to pressure. All you need is a few bottles, some straws, and some tape.

Easy Science Experiments for Kids (Continued)

31) Make a Magnifying Glass from Ice

Trying to read the small print? Ditch your magnifying glass and use ice instead. Using just distilled water and a spherical mold, this experiment teaches kids about refraction and angular magnification.

32) Make Colorful Flowers

One of the most tried and true science experiments for kids, this experiment shows how flowers carry water up to their petals. With a handful of white flowers and some food dye, you can watch a rainbow bloom.

33) Pop a Balloon with an Orange Peel

Everything you thought you knew about popping balloons is wrong! Even though oranges aren’t sharp, a chemical compound called limonene found in orange peels can make a balloon pop in mere seconds.

Easy Science Experiments for Kids (Continued)

34) Test the Saltiness of the Sea

A creative way to learn about density and buoyancy, this experiment tests how salty water needs to be to make an egg float. Next time you visit the ocean, bring a jar with you and try this experiment at home.

35) Make Your Own Rain

For kids curious to know how clouds work, this activity offers a simple introduction to the concepts of evaporation and precipitation. Thanks to the transformative powers of a warm windowsill, kids will get to see the water cycle take place in a plastic bag.

Easy Science Experiments for Kids (Continued)

36) Clean Up a Mini Oil Spill

An interactive way to teach kids about ocean science, this experiment allows kids to make and then clean up an oil spill. With vegetable oil, dish soap, paper towels, and a few other supplies, kids will get to experiment to determine the best way to clean up spills.

37) Keep a Paper Towel Dry Underwater

Ever tried to keep a paper towel dry underwater? Science can help make the impossible possible. One of the quickest science experiments for kids, this project uses an upside-down cup to show kids that even air has volume.

38) Use a Crayon as a Candle

Did you know you can use a crayon as a candle in a pinch? A crayon burns for about half an hour, just enough time to arrive at your own hypothesis about what makes crayons flammable.

Easy Science Experiments for Kids (Continued)

39) Make a Lemon Battery

It may sound crazy, but lemons aren’t just sour—they’re also powerful. A few household supplies will let you turn a common lemon into a battery.

40) Model Eardrum

Did you know that sound is made of vibrations? This experiment helps kids visualize how our ear drums work. After stretching a piece of plastic wrap over a bowl, kids can place grains of rice on the surface. When they make a loud noise, the rice will jump and showcase soundwaves in action.

Easy Science Experiments for Kids (Continued)

60 Easy Science Experiments for Kids—6th-12th Grade Experiments

41) Design a Ball Launcher

With this fun engineering experiment, you’ll use household supplies to design a catapult for a small ball or marble. For an extra challenge, design a receiver to catch the ball without letting it escape.

42) Use Cabbage to Learn the pH Scale

An inventive way to learn about acids and bases, this experiment uses red cabbage to test the pH level of household foods and chemicals. Kids will see how chemicals of different acidity levels change the color of the cabbage from bright fuchsia to blue.

43) Tallest Paper Tower Competition

A classic experiment for future civil engineers, you’ll design the tallest tower you can using only paper. The catch is: it needs to be strong enough to hold a heavy weight on top. This easy science experiment for kids is great for a group.

44) Design a Paper Ball Run

Using just paper and tape, design and create a ball run that carries a marble from top to bottom. The twist: you need to make your ball run as slowly as possible.

45) Make a Paper Airplane Launcher

Ever feel like your paper airplanes don’t travel very far? Science can step in to help. A great lesson in motors, engineering design, and aerodynamics, this experiment is perfect for future engineers.

Easy Science Experiments for Kids (Continued)

46) Rising Water Experiment

One of the most fascinating science experiments for kids, this activity uses a candle, water, and a glass to make water rise like magic. Younger kids will marvel at the trick, older kids will learn foundational concepts of chemistry and physics.

47) Make a Mini Robot Bug

A great introduction to robotics, this mini robot is an engaging project for tweens and teens. With a clothespin, a couple batteries, and a tiny vibrating motor, you can make a robot that moves around your desk.

48) Dry Ice Bubbles

A hands-on way to learn about sublimation and chemical change, making dry ice bubbles can be your new best party trick. It requires a few pieces of special equipment (a funnel and a tube) but the supplies are affordable and the payoff is huge.

Easy Science Experiments for Kids (Continued)

49) Build a Simple Electric Motor

Have you ever wondered how motors work? This simple, battery-powered motor project lets you experiment with design to see how variables affect motor rotation.

50) Crush a Can with Air Pressure

A hands-off way to manage your recyclables, this experiment uses heating and cooling to magically crush a can.

Easy Science Experiments for Kids (Continued)

51) Make a Light Maze for Plants

Do you dare to control Mother Nature? With a cardboard box and a seedling, you can become as powerful as the sun and study how plants grow toward the light.

52) Discover What Makes Ice Melt Quickest

If you live somewhere with snowy winters, you probably know how important it is to make ice melt fast. This experiment lets you discover what material makes it melt the quickest. After you reach your conclusion, feel free to run further tests on icy sidewalks.

53) Design a Water Bottle Rocket

Got an empty soda bottle lying around? Then you’re ready to make your own water bottle rocket. A perfect experiment for a hot summer day, this experiment offers a hands-on way to learn about physical propulsion.

Easy Science Experiments for Kids (Continued)

54) Watch Water Split

Did you know water is actually a chemical compound made from two different molecules? This experiment splits one element from the other, proving that water is made not from one element, but two: hydrogen and oxygen (H2O).

55) Make Your Own Boba

For a science experiment that’s as fun as it is tasty, try making your own boba at home. This experiment studies how acids affect the ability of different foods to transform into boba, a process called spherification.

Easy Science Experiments for Kids (Continued)

56) Build a Solar Oven

Just in case you’re ever stranded on a desert island, you’ll want to know how to build a solar oven. This fun culinary experiment lets you roast your own s’mores using a pizza box and aluminum foil.

57) DIY Lighted Grow Box

Want to keep your outdoor plants happy all year long? Cultivate your green thumb by building an indoor, lighted grow box.

58) Make a Funnel Roll Uphill

This experiment teaches kids about the center of gravity in an illustrative, engaging way. Using two funnels and some wooden boards, this optical illusion gives kids a deeper understanding of an important scientific principle.

Easy Science Experiments for Kids (Continued)

59) Create a Graphite Circuit

Did you know that you can use a pencil to create an electric circuit? Simply by doodling on a piece of paper, you can make a battery light up an LED bulb.

60) Make Fruit Ripen Faster

Tired of waiting for fruit to ripen? With this kitchen experiment, test the best method for accelerating this sweet natural process.

60 Easy Science Experiments for Kids—More Resources

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Christina Wood

Christina Wood holds a BA in Literature & Writing from UC San Diego, an MFA in Creative Writing from Washington University in St. Louis, and is currently a Doctoral Candidate in English at the University of Georgia, where she teaches creative writing and first-year composition courses. Christina has published fiction and nonfiction in numerous publications, including The Paris Review, McSweeney’s, Granta, Virginia Quarterly Review, The Sewanee Review, Mississippi Review, and Puerto del Sol, among others. Her story “The Astronaut” won the 2018 Shirley Jackson Award for short fiction and received a “Distinguished Stories” mention in the 2019 Best American Short Stories anthology.

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