another science quiz

Help!

what is necessary for sound to exist?

vibrations

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what do sounds travel through?

mediums

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what is a medium?

the material that sound travels through

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how do particles move in a longitudinal wave?

side to side

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how is the volume of a sound related to the amplitude?

the higher the amplitude, the louder the sound.

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how is the pitch of a sound related to its frequency?

the higher the frequency, the higher the pitch.

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what is sound frequency measured in?

hertz

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what is sound volume measured in?

decibles

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what part of the ear collects sound waves?

pinna

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what part of the ear converts sound vibrations into electrical signals?

cochlea

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what measures the loudness of sound?

decibles (yes again)

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what does the vestibular system do?

provides information about the body system and movement.

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Created by: noberoi28