Physics for Kids: Basics of Sound - Ducksters
Search Ducksters: Science >> Physics for Kids. Physics for Kids. Basics of Sound. Sound is a vibration, or wave, that travels through matter (solid, liquid, or gas) and can be heard. How does sound move or propagate? The vibration is started by some mechanical movement, such as someone plucking a guitar string or knocking on a door. This causes ...
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