This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

What is the hydrologic cycle and how does it work? Check out this fun and easy science project where you will model and learn about Earth's water cycle!

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

Learn about the role of Earth's rotation on the Coriolis Effect and hurricanes in this science project. Model the Coriolis Effect on a hurricane's direction.

Science fair project which uses coins flips to visually demonstrate the probability of an event and how to express it.

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.

Learn how to make a food pyramid with animals in a a coniferous forest ecosystem around your home.

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.