A form of energy produced by vibrating objects.

A rapid back-and-forth movement that produces sound.

The number of waves that move past a point in a certain amount of time.

A repeating up-and-down or back-and-forth movement of matter.

The unit to measure the loudness of sound.

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Sound

1-27-14

Term	Definition
sound	A form of energy produced by vibrating objects.
vibration	A rapid back-and-forth movement that produces sound.
pitch	How high or low a sound is.
frequency	The number of waves that move past a point in a certain amount of time.
wave	A repeating up-and-down or back-and-forth movement of matter.
decibel	The unit to measure the loudness of sound.
echo	A reflected sound.
volume	How loud or soft a sound is.