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

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?

This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

Plants and light seem to be good buddies, but how far does the friendship really go?

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.

Be a chemist for a day and study the simple reaction between sugar and heat. Try heating sugar and see what happens!

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!

What is a wedge? Kids find out by experimenting with different wedges in this simple science fair project idea.

In this exciting and empowering challenge, your child will construct a bridge using marshmallows and toothpicks!

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.

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

Do earthworms like moisture or darkness? Find out as we explore the relationship between earthworms and light.