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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!
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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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45 Cool Chemistry Experiments, Demos, and Science Fair Projects
Don’t forget your safety equipment!
Bunsen burners, colorful chemicals, and the possibility of a (controlled) explosion or two? Everybody loves chemistry experiments! We’ve rounded up the best activities, demos, and chemistry science fair projects for kids and teens. Try them in the classroom or at home.
Easy Chemistry Experiments and Activities for All Ages
Chemistry science fair projects.
These chemistry experiments and activities are all easy to do using simple supplies you probably already have. Families can try them at home, or teachers and students can do them together in the classroom.
Mix up some magic milk
Kids love this colorful experiment, which explores the concept of surface tension. This is one of our favorite chemistry experiments to try at home, since the supplies are so basic and the results are so cool!
Taste the Rainbow
Teach your students about diffusion while creating a beautiful and tasty rainbow. You’ll definitely want to have extra Skittles on hand so your class can enjoy a few as well!
Learn more: Skittles Diffusion
Crystallize sweet treats
Crystal science experiments teach kids about supersaturated solutions. This one is easy to do at home, and the results are absolutely delicious!
Learn more: Candy Crystals
Make elephant-sized toothpaste
This fun project uses yeast and a hydrogen peroxide solution to create overflowing “elephant toothpaste.” You can also add an extra fun layer by having kids create toothpaste wrappers for their plastic bottles.
Blow the biggest bubbles you can
Add a few simple ingredients to dish soap solution to create the largest bubbles you’ve ever seen! Kids learn about surface tension as they engineer these bubble-blowing wands.
Learn more: Giant Soap Bubbles
Demonstrate the “magic” leakproof bag
So simple and so amazing! All you need is a zip-top plastic bag, sharp pencils, and some water to blow your kids’ minds. Once they’re suitably impressed, teach them how the “trick” works by explaining the chemistry of polymers.
Learn more: Leakproof Bag
Use apple slices to learn about oxidation
Have students make predictions about what will happen to apple slices when immersed in different liquids, then put those predictions to the test! Finally, have them record their observations.
Learn more: Apple Oxidation
Float a marker man
Their eyes will pop out of their heads when you “levitate” a stick figure right off the table. This experiment works due to the insolubility of dry-erase marker ink in water, combined with the lighter density of the ink.
Learn more: Floating Marker Man
Discover density with hot and cold water
There are a lot of easy science experiments you can do with density. This one is extremely simple, involving only hot and cold water and food coloring, but the visuals make it appealing and fun.
Learn more: Layered Water
Layer more liquids
This density demo is a little more complicated, but the effects are spectacular. Slowly layer liquids like honey, dish soap, water, and rubbing alcohol in a glass. Kids will be amazed when the liquids float one on top of the other like magic (except it is really science).
Learn more: Layered Liquids
Grow a carbon sugar snake
Easy science experiments can still have impressive results. This eye-popping chemical reaction demonstration only requires simple supplies like sugar, baking soda, and sand.
Learn more: Carbon Sugar Snake
Make homemade bouncy balls
These homemade bouncy balls are easy to make since all you need is glue, food coloring, borax powder, cornstarch, and warm water. You’ll want to store them inside a container like a plastic egg because they will flatten out over time.
Learn more: Make Your Own Bouncy Balls
Create eggshell chalk
Eggshells contain calcium, the same material that makes chalk. Grind them up and mix them with flour, water, and food coloring to make your very own sidewalk chalk.
Learn more: Eggshell Chalk
Make naked eggs
This is so cool! Use vinegar to dissolve the calcium carbonate in an eggshell to discover the membrane underneath that holds the egg together. Then, use the “naked” egg for another easy science experiment that demonstrates osmosis .
Learn more: Naked Egg Experiment
Turn milk into plastic
This sounds a lot more complicated than it is, but don’t be afraid to give it a try. Use simple kitchen supplies to create plastic polymers from plain old milk. Sculpt them into cool shapes when you’re done.
Test pH using cabbage
Teach kids about acids and bases without needing pH test strips. Simply boil some red cabbage and use the resulting water to test various substances—acids turn red and bases turn green.
Learn more: Cabbage pH
Clean some old coins
Use common household items to make old oxidized coins clean and shiny again in this simple chemistry experiment. Ask kids to predict (hypothesize) which will work best, then expand the learning by doing some research to explain the results.
Learn more: Cleaning Coins
Blow up a balloon (without blowing)
Chances are good you probably did easy science experiments like this when you were in school yourself. This well-known activity demonstrates the reactions between acids and bases. Fill a bottle with vinegar and a balloon with baking soda. Fit the balloon over the top, shake the baking soda down into the vinegar, and watch the balloon inflate.
Learn more: Balloon Experiments
Assemble a DIY lava lamp
This 1970s trend is back—as an easy science experiment! This activity combines acid/base reactions with density for a totally groovy result.
Explore how sugary drinks affect teeth
The calcium content of eggshells makes them a great stand-in for teeth. Use eggs to explore how soda and juice can stain teeth and wear down the enamel. Expand your learning by trying different toothpaste and toothbrush combinations to see how effective they are.
Learn more: Sugar and Teeth Experiment
Mummify a hot dog
If your kids are fascinated by the Egyptians, they’ll love learning to mummify a hot dog. No need for canopic jars ; just grab some baking soda and get started.
Extinguish flames with carbon dioxide
This is a fiery twist on acid-base experiments. Light a candle and talk about what fire needs in order to survive. Then, create an acid-base reaction and “pour” the carbon dioxide to extinguish the flame. The CO2 gas acts like a liquid, suffocating the fire.
Send secret messages with invisible ink
Turn your kids into secret agents! Write messages with a paintbrush dipped in lemon juice, then hold the paper over a heat source and watch the invisible become visible as oxidation goes to work.
Learn more: Invisible Ink
Set popcorn dancing
This is a fun version of the classic baking soda and vinegar experiment, perfect for the younger crowd. The bubbly mixture causes popcorn to dance around in the water.
Learn more: Dancing Popcorn Experiment
Shoot a soda geyser sky-high
You’ve always wondered if this really works, so it’s time to find out for yourself! Kids will marvel at the chemical reaction that sends diet soda shooting high in the air when Mentos are added.
Learn more: Mentos and Coke Experiment
All of these chemistry experiments are perfect for using the scientific method. Form a hypothesis, alter the variables, and then observe the results! You can simplify these projects for younger kids, or add more complexity for older students.
Break apart covalent bonds
Difficulty: Medium / Materials: Medium
Break the covalent bond of H 2 O into H and O with this simple experiment. You only need simple supplies for this one. Turn it into a science fair project by changing up the variables—does the temperature of the water matter? What happens if you try this with other liquids?
Learn more: Breaking Covalent Bonds
Measure the calories in various foods
Are the calorie counts on your favorite snacks accurate? Build your own calorimeter and find out! This kit from Home Science Tools has all the supplies you’ll need.
Detect latent fingerprints
Forensic science is engrossing and can lead to important career opportunities too. Explore the chemistry needed to detect latent (invisible) fingerprints, just like they do for crime scenes!
Learn more: Fingerprints Project
Use Alka-Seltzer to explore reaction rate
Difficulty: Easy / Materials: Easy
Tweak this basic concept to create a variety of high school chemistry science fair projects. Change the temperature, surface area, pressure, and more to see how reaction rates change.
Determine whether sports drinks really have more electrolytes than other beverages
Difficulty: Medium / Materials: Advanced
Are those pricey sports drinks really worth it? Try this experiment to find out. You’ll need some special equipment for this one; buy a complete kit at Home Science Tools .
Turn flames into a rainbow
You’ll need to get your hands on a few different chemicals for this experiment, but the wow factor will make it worth the effort. Make it a science project by seeing if different materials, air temperature, or other factors change the results.
Discover the size of a mole
The mole is a key concept in chemistry, so it’s important to ensure students really understand it. This experiment uses simple materials like salt and chalk to make an abstract concept more concrete. Make it a project by applying the same procedure to a variety of substances, or determining whether outside variables have an effect on the results.
Learn more: How Big Is a Mole?
Cook up candy to learn mole and molecule calculations
This edible experiment lets students make their own peppermint hard candy while they calculate mass, moles, molecules, and formula weights. Tweak the formulas to create different types of candy and make this into a sweet science fair project!
Learn more: Candy Chemistry
Make soap to understand saponification
Take a closer look at an everyday item: soap! Use oils and other ingredients to make your own soap, learning about esters and saponification. Tinker with the formula to find one that fits a particular set of parameters.
Learn more: Saponification
Uncover the secrets of evaporation
Explore the factors that affect evaporation, then come up with ways to slow them down or speed them up for a simple science fair project.
Learn more: Evaporation
More Chemistry Experiment Science Fair Ideas
These questions and prompts can spark ideas for unique chemistry experiments:
- Compare the properties of sugar and artificial sweeteners.
- Explore the impact of temperature, concentration, and seeding on crystal growth.
- Test various antacids on the market to find the most effective product.
- What is the optimum temperature for yeast production when baking bread from scratch?
- Compare the vitamin C content of various fruits and vegetables.
- How does temperature affect enzyme-catalyzed reactions?
- Investigate the effects of pH on an acid-base chemical reaction.
- Devise a new natural way to test pH levels (such as cabbage leaves).
- What’s the best way to slow down metal oxidation (the form of rust)?
- How do changes in ingredients and method affect the results of a baking recipe?
Like these chemistry experiments? Don’t miss STEM Activities for Kids of All Ages and Interests .
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70 Best High School Science Fair Projects in Every Subject
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We’ve rounded up a big collection of easy science experiments that anybody can try, and kids are going to love them! Jump to: Easy Chemistry Science Experiments. Easy Physics Science Experiments. Easy Biology and Environmental Science Experiments. Easy Engineering Experiments and STEM Challenges.
Fun science experiments to explore everything from kitchen chemistry to DIY mini drones. Easy to set up and perfect for home or school. Browse the collection and see what you want to try first!
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!
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 ...
Over 1,200 free science projects searchable by subject, difficulty, time, cost and materials. Browse the library or let us recommend a winning science project for you!
Everybody loves chemistry experiments! We’ve rounded up the best activities, demos, and chemistry science fair projects for kids and teens. Try them in the classroom or at home. Jump to: Easy Chemistry Experiments and Activities for All Ages; Chemistry Science Fair Projects; Easy Chemistry Experiments and Activities for All Ages