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18 Cards in this Set

  • Front
  • Back
What produces sound?
Objects vibrating
What can sound can travel through?
Solids, liquids, and gases.
What can sound NOT travel through?
an absolute vacuum
What makes up the outer ear?
The pinna, the ear canal, and the ear drum.
High frequency wave lengths result in what type of sound?
High pitch
Low frequency waves result in what type of sound?
Low sound
The amount of wave lengths of a sound refers to its ______________?
What does a sound travel fastest through?
Sound cannot travel through this?
A vacuum
What is pitch?
The difference in the highness and lowness of a sound.
A thick string stretched loosely produces what type of sound?
A thin string stretched tightly produces what pitched sound?
High pitch
The longer the wavelength will result in what kind of sound?
A lower pitch
The higher the amplitude of a wavelengh_________________.
the LOUDER the sound.
What is a source of a sound?
Anything that MAKES a sound.
What does the auditory nerve do?
Carries nerve impulses from the inner ear to the brain.
What is in the cochlea?
Fluid and fine hairs.
Where are the smallest bones in your body?
In your middle ear.