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8 Sound

Sound keywords

QuestionAnswer
The loudness or volume of a sound. intensity
How high or low a note sounds. pitch
Move backwards and forwards. vibrate
Half the height of a wave. amplitude
The number of waves each second. frequency
The unit for frequency. hertz (Hz)
The volume of a sound. loudness
An instrument which shows a picture of a wave on a screen. oscilloscope
How high or low a note sounds. pitch
A way of transferring energy.Waves can be side to side or backwards and forwards movements. wave
The distance between the top of one wave and the top of the next. wavelength
A completely empty space with no particles. vacuum
The part of the ear that changes vibrations into electrical impulses. cochlea
A thin membrane inside the ear which vibrates when sound reaches it. eardrum
Electrical signal carried by a nerve cell. impulse
Unit for measuring the loudness of a sound. decibel (dB)
Unpleasant sound. noise
A meter which measures the loudness of a sound. sound intensity meter
The quietest sound that can be heard. threshold of hearing
Created by: grovebiol