This science fair project idea explores whether talking to a plant will help it grow.

This classic children's game demonstrates how sound travels through air vs. through a solid.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

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.

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.