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

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.

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

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

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

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.

What is the Doppler Effect, or the Doppler Shift? The purpose of this science fair project is to determine how distance impacts the Doppler Effect.