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Sound

Properties of sound

TermDefinition
loudness the extent to which a sound can be heard
pitch a measure of how high or low a sound is perceived to be, depending on the frequency of the sound wave
decibel the most common unit used to measure loudness (symbol dB)
soundwave a longitudinal wave that is caused by vibrations and that travels through a material medium
longitudinal wave a wave in which the particles of the medium vibrate parallel to the direction of wave motion
mechanical wave a wave that requires a medium through which to travel
Doppler effect an observed change in the frequency of a wave when the source or observer is moving
Created by: Deere
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