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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.

.Have you ever had problems with your wifi signal strength? In this experiment you will learn about how wireless signals pass through the air and solid objects.

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

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.

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

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

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.

This science fair project idea shows how a vibrating object transfers energy to whatever it touches.

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

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

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.