This science fair project examines how seeds hitchhike on animals and clothing.

In this Halloween-themed activity, young learners will find out what happens when they mix two household items together to create a surprising chemical reaction.

Make some easy homemade yogurt with your young scientist, and see what a few 'live' bacteria can do in the right conditions!

Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

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!

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

The rock cycle will come alive for your child when he uses broken crayons to create the three basic rock types.

Magic, science, or household cleanser? Let your second grader decide with this practical, nontoxic chemistry experiment with acids and bases.

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

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

Step into the fantastic world of colors with a project that explores what shade you -- and your friends -- like best.

The project investigates how water and movement affects erosion.

Introduce your child to the importance of preserving the world's biodiversity by turning a lesson on endangered species into a fun game for the whole family.

This science fair project idea investigates how magnetism can defy the force of gravity.

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

It's rhyme time! With this science fair project idea, your child will find out which words can be considered easy rhyming words, and why.

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

Your child will do a fun science experiment using soap and pepper flakes to help understand the concepts of water molecules and the surface tension of water.

Slip some science into storm watching with a homemade rain gauge!

In this science fair project, kids will be able to see where germs reside on their hands while gaining insight into the benefits of thorough hand washing.

Help your kindergarten science maven explore the water cycle without getting everything wet.

This classic children's game demonstrates how sound travels through air vs. through a solid.

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

Milk is made of water and fat; but how can you separate the two? Find out in this color changing milk experiment.

Teach your child to dye eggs with natural ingredients from the grocery store. From pink to gold, these eggs are perfect for hiding, hunting or simply munching.

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

Bring the fun of gardening indoors! By stuffing a simple pair of pantyhose with a few grass seeds on top, your child can grow her very own plant pet.

This science fair project idea investigates whether air has mass and weight.

Before Twitter, birds were the ones tweeting, not humans. Have your child discover the magical sounds of nature while recording birds around his neighborhood!

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