KS3 - Sound Waves
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12 Terms
volume
the loudness of a sound
pitch
how high or low a note is
vibration
a repeated back and forth movement
amplitude
the size of a vibration, i.e. how far an object vibrates
frequency
the number of vibrations that occur every second
particle
What solids, liquids and gases are made up from.
vibrate
To regularly and repeatedly move back and forth.
scientific model
Any way of accurately representing, picturing or imagining a scientific idea.
wave
A disturbance that travels, like a ripple on water.
sound wave
A ‘pulse’ that travels through a material caused by the vibrations of particles.
medium
The material that sound is travelling through that is set vibrating.
vacuum
An area of space with no matter present (that contains no particles).
Note 
Flashcards (40)