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

Discover whether different amounts of water added into a wine glass will produce a different pitch when their fingers are rubbed along the rim.

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

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

Make stunning pendulum waves and learn the math behind the patterns generated with this cool and easy science project.

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

This science fair project demonstrates the principles of reflection through simple experiments involving mirrors and light.

Find out the differences (if any) in the frequencies of voices produced from a computer, from a phone, and directly coming out of the voice box of a human.

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

Determine the relationship between the speed of a sound and the temperature of the air it passes through.

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.

Check out this fun science fair project idea to learn about seismic waves and how fast they travel during an earthquake.

In this fun science fair project idea learn about the multiple sources of radio waves and fin out how difficult it is to block them.