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Sound

Tools

A	B
frequency	number of waves in a given time
pitch	highness or lowness
volume	loudness or softness
340 meters per second	speed of sound
sound	a kind of energy
longitudinal	sound wave
medium	matter sound is traveling trhough
decibel	how loudness is measured
hertz	how frequency is measured
porpoise	can hear 150,000 hertz

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