In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

Kids will learn some cool stuff about chemical reactions by determining what happens when you mix different concentrations of hydrogen peroxide and yeast.

Find out whether a longer airplane will fly farther or a wider paper airplane.

In this free science fair project, build a star clock and learn how to tell time on a clear night by observing the big dipper!

What causes dilated pupils? Young scientists will find out by applying what they already know about changes in pupil size and making models of the pupil.

Kids learn how to manipulate additive and subtractive colors to send secret messages with red colored filters in this cool science fair project idea.