This science fair project idea determines which method of hand cleansing is the most effective.

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

Your child can create his own texture tree, experimenting with design during the process. The result will be a beautiful addition to your holiday decorations

How does dishwashing liquid work? Kids discover the chemical mechanism behind cleansing power in this easy science fair project idea.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

Hold a magnet marathon! Explore the power of magnets with your kindergartener in this entertaining and simple science game.

The possibilities are endless with this fun Halloween-themed STEM activity! With simple supplies, your child will experiment, adapt, and use their creativity while they build structures using different specifications.

In this free science fair project idea, we learn about surface tension and how it can support mass—in this case, a floating paper clip.

Before you get ready for a delicious scramble or omelet, add a bit of science to your morning routine!

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

Using a toy race car kids create a visual model of the Doppler Effect.

Help children understand the power of germs and the importance of hand washing with this visual activity that introduces the concept of scientific inquiry.

Can you imagine a sky filled with bright, colorful bubbles? Make this whimsical scene come alive with bubble science!

Are your taste buds up for the challenge? Put tongues to the test with this science fair project that examines who enjoys sour flavors more, adults or kids?

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

Use pepper and soap to discover some fun facts about the properties of water.

This activity allows your kindergartener to translate what they observe into a beautiful poem.

This recipe makes bubbles that not only blow up nice and big, but do tricks and experiments! How do you do it? It's not a secret, it's science!

Alive or not? This yeast experiment you can conduct with your little scientist explores the answer to this timeless question.

Can a horse lead itself to the carrot? Train your horse with carrots and boxes and test horse memory in this fun zoology science fair project.

Kids often ask, "how tall am I?" This science fair project seeks to determine how well kids can guess their own heights.

Take a closer look at your furry friend (or the furry friend of a neighbor -- with permission) to discover if communication exists between cats and humans.

In this activity, your child will be challenged to use simple materials to create a catapult for a small, lightweight toy.

Why does purple cheese look nasty? Because color plays a big part in how we perceive the taste of different foods. Are birds just like us in this respect?

In this fun science experiment, kids will determine the best method for ripening avocados and discover the cool chemical reaction that makes this possible.

Did you know a mouse eats almost fifty times as much as a cow? Find out how and test out the strange science with your friends!

How does water pressure change with depth? Kids learn how pressure works underwater with this cool and easy demo.

Magnets may hold up papers on the fridge, but is it the paper that attracts them? Find out more with this kindergarten science investigation.