This science fair project idea builds models of various types of bridges and then determines which bridge design is the strongest.

Do hand soaps and sanitizers prevent the growth of bread mold? If so, why? Kids will find out with this fun and informative science fair project idea.

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

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.