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