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Did you know that sound is actually caused by movement? Vibrations of particles create the sound that we hear.

How fast does sound travel? Help your child figure out the physics of sound waves with this informative worksheet.

Ever wonder why sounds change as they move away from us? Learn all about the Doppler effect with this physics worksheet.

It's a bird! It's a plane! It's Physics Man! Test your knowledge of the physical world with this fun questionnaire that takes physics to a super-heroic level.

Children are introduced to the concept of the speed of light in this illustrated worksheet.