Do you think you can blow down a sand castle with a mighty wind? Find out which material stands up best to erosion in this erosion experiment.

In this science fair project, learn how to make gears and find out why they transmit torques in predictable ways.

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

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

How well can people recall what they have observed. Test your knowledge in this fun experiment.