This science fair project idea experiments with spinning color wheels and optical illusions.

Chemistry isn't just incredible ... sometimes its edible! These crystal lollipops are a delicious introduction to chemistry concepts.

An hour glass, also known as a sand clock, keeps time. In this activity, your child will make her own sand clock and measure the time it keeps.

Try this chemistry experiment with your curious kid and get some "shocking" results!

This simple "how to make a water wheel" activity makes physics come alive for your child by demonstrating how different kinds of energy work.

This science fair project idea explores the relationship between oil and water in terms of density as well as hydrophilic/hydrophobic compounds.

For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.

A homemade lava lamp gives any room a retro flair. Find out how to make a homemade lava lamp, and learn some science too, with this educational activity.

Amaze your kids by separating a salt and pepper mixture using an "electric spoon" charged with wool.

Want to make Halloween truly eerie? Science to the rescue! These ghouly hands come alive with a little help from simple chemistry.

Here's a fun and simple activity to introduce your child to surface tension, and pull an awesome stunt in the process!

This science fair project idea investigates which objects float and sink in honey, water, and oil.

This science fair project idea produces sounds by creating vibrations using different objects.

In this fun activity, your child will create their very own solar oven to bake s'mores!

This science fair project idea produces varying pitches of sound.

Have your child build his own mini waterfall, and help him develop his planning, problem solving, and architectural skills.