Sound Flashcards
Sound is a….
Longditudinal wave
The particles vibrate…
In the same direction as the energy
Sound must travel through a…
Medium
Why must sound travel through a medium?
As something needs to pass on the sound vibrations.
Amplitude
Affects the loudness.
Frequency
Affects the pitch
What is measured in hertz?
The number of complete waves per second.
Amplitude is
How high the wave goes.
The top of the wave is known as the…
Crest
The bottom of the wave is known as the …
Trough
Order the ear parts….
Eardrum
3 bones
Cochlea
Nerve
The vibrations of the air press on the……. So……
Eardrum
That it vibrates
The vibrations cause the
…….. To…….. And……….
3 small bones
Vibrate
Press on the cochlea
The cochlea…..
Sends electrical signals along the auditory nerve to the brain.
We recognise these electrical signals as…
Sounds.
