Nature of Sound
When air particles are pushed together.
What is compression?
Frequency is measured in ____.
What is hertz?
The three main parts of the ear are _____
The outer ear, the middle ear, and the inner ear
The waves behind a moving sound source have a _____wavelength.
longer
The bottom of the wave.
What is a trough?
When air partcles bounce back and spread out.
What is rarefaction?
This mammal can hear 20 - 20,000 hertz
How high can a human hear?
Deaf people can hear ____ waves
Sound waves
These electrical signal into a sound wave.
What are headphones?
This is a top of a wave.
What is a crest?
______ is a disturbance that travels through a medium as a longitudinal wave.
What is sound?
This animal can hesr up to 1,000 to 91,000 hertz.
How high can a mouse hear?
____ contains the three smallest bones in your body.
What is the middle ear?
The scientist are recording under _____.
What is water?
_____ waves when a source of energy causes a medium to vibrate.
What is a mechanical wave
Combination of transeverse and longitudinal waves.
What are sound waves?
The frequency of this wave depends on how fast the source of the sound is vibrating.
What is a sound wave?
This is object restores the ability to hear.
What is an cochlear implant?
A guitar can produce a fundamental tone of ___________ hertz.
262
A combination of transfers and longitudinal waves.
What is a soundwave
A wave moves a bottle in a ______ motion.
What is circular?
This sound is between 120-160 dB
How many dB does a jet plane use at takeoff?
your ear _____
locates sound.
This travels up a wire.
What is an electrical signal?
I wave moves a bottle in a _____ motion.
Circular