what are sound waves
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Sound waves travel at 343 m/s through the air and faster through liquids and solids. The waves transfer energy from the source of the sound, e.g. a drum, to its surroundings. Your ear detects sound waves when vibrating air particles cause your ear drum to vibrate. The bigger the vibrations the louder the sound.
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A sound wave is a longitudinal wave of compression and rarefaction, by which sound is propagated in an elastic medium such as air.
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