Chapter 3: Sound Flashcards
How is sound produced?
Sound is produced by vibrations transferring into the air
What’s a compression?
A compression is the place where air particles are closest in a soundwave
What’s a rarefaction?
It’s where the particles in a sound wave are furthest from each other
What’s a longitudinal wave?
A longitudinal wave is a wave that is straight with rarefactions and compressions.
What’s a transverse wave?
A transverse wave is a wave which moves up and down instead of compresses
What are the three different speeds of sound in states of matter?
Air-330 m/s Water-1500m/s Solid-5000m/s
What can a sound wave not travel through?
A vacuum
What do sound waves need to pass through?
A medium
What is the job of the pinna?
To direct sound into your ear
What organ converts sound into electrical signals?
The cochlea
What part of the ear can be damaged if touched?
The eardrum
What two organs make up the outer ear?
The pinna and auditory canal
What three organs make up the middle ear?
The eardrum, ossicles and oval window
What three organs make up the inner ear?
The semicircular canals, cochlea and auditory nerve
What does perforate mean?
To make a hole in
