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Randolph 4th Sound

4th Grade Harcourt Unit E chapter 3 Sound

DefinitionsVocabulary Word
moving areas of high and low pressure sound waves
a series of vibrations you can hear sound
a shock wave produced by an object traveling faster than the speed of sound sonic boom
a measure of the sound energy reaching your ear loudness
a sound reflection echo
a measure of how high or low a sound is pitch
the speed at which sound waves travel speed of sound
an area where air is pushed together compression
shown by height on a wave diagram amplitude
distance from one sound wave compression to the next wavelength
Created by: crandolph
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