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Make water and clay play a little more scientific with this hands-on experiment that teaches displacement and shows how an object's shape affects its buoyancy.

This simple "how to make a water wheel" activity makes physics come alive for your child by demonstrating how different kinds of energy work.

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

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

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.

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.