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

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

This science fair project idea demonstrates sonar mapping of the ocean floor.

This science fair project examines how tsunamis travel by simulating a tsunami moving around an island. You will generate a pretend tsunami in a swimming pool.

This experiment will explore how mallets of various materials and weight create sonic tones of varying lengths.

In this cool science fair project, kids apply basic algebra to learn how to make a PVC pipe instrument while exploring concepts like frequency and resonance.

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