Chapter 21: Sound. Pages 532 - 557. Sound is a form of energy produced by the vibration of matter. Sound is a compressional or longitudinal wave Ex. Spring Sound is transmitted through solids, liquids, and gases. Sound is transmitted better through solids and liquids. Why? More dense
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Pages 532 - 557
vibrates ear drum
amplified by bones
converted to nerve impulses in cochlea
can hear them.