How Sound Travels Through Air
Sound goes into the surrounding air molecules, which vibrate or collide and pass the sound energy along to our ears. Without any molecules to vibrate we wouldn't hear any sound. The air particles that a sound wave goes through is called a medium. A medium can be air, water,or anything sound can pass through.
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QUESTION: If we didn’t have any particles in the air, we couldn’t hear anything.
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Alexa G.