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

This awesome diffraction grating experiment puts high school students' applied math skills to the test by having them calculate the wavelength of laser light.

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

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

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.

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

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

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.

The goal of this science fair project is to evaluate the effect of heat on sound wave frequency.

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.