Design a hearing protection device to protect their ears from loud noises. Examine the properties of current protective hearing devices, materials.

Little scientists will make inferences about hearing loss, pitch, and frequency in this great science fair idea that puts the human ear to the test.

Demonstrate how we are able to locate sounds, echolocation. Have a blindfolded subject locate you by the sound of your clapping.

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

This experiment investigates whether there are certain sounds that affect men and women differently

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

Get a cool and easy science fair project idea which helps high school students in understanding concepts behind the working of a microphone.

When you see those sunscreen "protection levels," what does that really mean? Try this experiment to find out.