100 Easy Science Experiments for Kids To Do At Home (2024)

Homemade Slime (Polymers & Viscosity)

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.

More Quick Chemistry Experiments:

• Rock Candy Experiment – Grow colorful rock candy in a glass!
• Naked Egg Experiment – Dissolve an eggshell with vinegar and see the membrane below!
• Balloon Magic – Blow up a balloon without blowing, using vinegar and baking soda.
• Egg Teeth – Explore how sugar affects teeth in this easy experiment.
• Tie Dye: Create vibrant tie-dye patterns while learning about absorption and chemical bonding as dyes react with fabric molecules, becoming a permanent part of the material!
• Make Butter – Shake cream and turn it into butter!
• Ice Cream in a Bag – Turn simple ingredients into delicious ice cream.
• Moldy Bread Experiment – See how important it is to wash your hands in the viral science experiment.
• Exploding baggie – Use a simple chemical reaction to explode a plastic zip close baggie. 
• Flame-Proof Balloon – Use cold water to make a balloon resistant to a fire’s flame!
• 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.)
• Mouth-Foaming Fun – Experience a chemical reaction first hand while brushing your teeth.
• Smashing Seashells – Discover how to easily smash seashells with vinegar.
• Super Bubble Solution – Find out how you can make giant bubbles with an easy homemade solution.
• Water Fireworks – Create fireworks in a glass of water using this simple experiment with household ingredient.
• Dancing Corn Experiment – Explore and investigate carbon dioxide by making corn dance. 
• Homemade Bouncy Balls – Make your own bouncy ball toys with household ingredients.
• Steel Wool & Vinegar Experiment – Get a better understand of how things rust!
• Magic Milk Experiment: Create colorful swirls in milk by adding dish soap, which breaks down the fat molecules and causes the colors to move and mix in a mesmerizing display!
• Melting Snowballs: Create “melting snowballs” by freezing baking soda and water, then adding vinegar to watch them fizz and dissolve in a fun acid-base reaction experiment!

More Quick Physics Experiments:

• Giant Dish Soap Bubbles – Make a giant bubble with household ingredients.
• Layering Liquids – See how liquids can stack on top of each other according to density.
• Liquid Sandwich – Learn about density with water, oil, and honey.
• Step Through an Index Card – Amaze your kids by stepping through an index card that’s been strategically cut.
• Frozen Bubbles – Find out what happens when you blow bubbles in freezing temperatures.
• Big Stick Balance – This surprising experiment will teach kids about balance.
• Upside Down Reflection – All you need is a kitchen spoon to learn about the principles of reflection.
• Soap Boats – Explore density with this easy DIY boat-making activity.
• Water Bending Trick – Learn how to bend water with one simple thing you have lying around your house.
• Dry Paper Experiment – See how you can magically dunk paper in water and not make it wet.
• Bending Straw Illusion – Learn about light refraction in this quick and simple experiment.
• Magic Napkin – Learn about inertia with a napkin and a plastic cup filled with water.
• Talking String – Learn about sound waves and make a string “sing” by using one simple button.
• Noisy Paper – Create a loud vibration noise with just two pieces of computer paper.
• Make a Rainbow – See how you can easily create your own rainbow.

More Quick Biology Experiments For Kids

• Map Your Taste Buds – Learn about your taste buds in this easy mapping activity.
• Growing Gummy Bears – Watch gummy bears grow before your eyes.
• Foot Fat Experiment – Compare the levels of fat in different foods with this simple experiment.
• Fingerprinting – Dive into the infinite world of fingerprints with a no. 2 pencil and paper.
• Sunscreen and Skin – Learn about the human body and how sunscreen works with this simple experiment using sunscreen and construction paper.
• Taste Bud 101 – Learn about the taste buds with this fun and interactive experiment.

More Quick Earth Science Experiments:

• Solar Oven S’mores – Cook up a tasty snack in a solar oven.
• Human Sundial – Become a human sundial to learn about solar patterns.
• Windowsill Trash – Demonstrate how the heat of the sun helps trash decompose
• Tornado in a Bottle – Create a cyclone in a bottle in this classic, simple experiment.
• Make a Sundial – Learn how to tell time with the sun by making a simple sundial.
• 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.

More Engineering Experiments for Kids:

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