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

Start your toy engines -- this is going to be a fast and friction-filled race!

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!

Are you ready to be a detective for science? Then get out your magnifying glass and start studying fingerprints!

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

With this cool floating rocks project, your child will get some hands-on experience with buoyancy and learn why certain rocks like pumice are able to float.

In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.

In this activity, your child will be asked to create a boat that can successfully float while holding 25 pennies.

In this activity your child will create their very own marble maze!

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

Water, along with soil and light, is a necessary component for plant growth. So what's better for promoting plant growth: tap water, or rain water?

In this experiment, your child will create two compost bins and see if he can determine what attracts fruit flies.

Learn how to be a bird scientist in this simple project of watching feathered friends in their habitat.