This project compares the strength of one, two, and three-ply toilet paper.

This science fair project idea explores substances that cause a bubble to last longer.

This science fair project idea investigates if webbed feet help a duck (and others) swim.

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

This science fair project idea explores how enzyme inhibitors, active sites, non-competitive enzyme inhibitors, and substrates work.

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

This science fair project idea explores how length affects the weight a bridge can hold.