9 terms

Parts of Sound Wave

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rarefaction
a region in a sound wave where there are fewer particles than normal
compression
a region in a sound wave where particles have been pushed together
frequency
the number of waves produced in a given amount of time
Hertz
German physicist who was the first to produce electromagnetic waves artificially (1857-1894)
pitch
highness or lowness of sound that varies with variation in the frequency of vibration
loudness
the magnitude of sound (usually in a specified direction)
decibels
measures loudness
amplitude
the height of a wave's crest - determines loudness
wavelength
the horizontal distance between crests
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