Find a mathematical relationship between the intensity of a sound wave and distance from the sound source. Use a pedometer and a sound level meter.

Explore the wave-particle duality of light! Learn how light can behave as both a wave and a particle in this cool physics science fair project idea for kids.

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

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 produces sounds by creating vibrations using different objects.

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.

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

Find out whether matching resonant frequencies can cause objects to shatter.

The purpose of this science fair project is to build a basic radio.

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

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