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Sound Energy Chapter
Question | Answer |
---|---|
membrane in the ear that vibrates with sound waves | eardrum |
the apparent change in apitch of a noisy moving object. | dopplar effect |
outer part of the ear which acts as a funnel to collect the sound wave | auricle |
unit of frequency (measures how high or how low the sound is) | hertz |
curved tubes in the inner ear filled with fluid that are responsible for a person's balance. | semicircular canal |
frequency of sound that most people cannot hear | silent sound |
how is intensity and amplitude alike? | the greater the frequency, the greater amplitude |
the speed of sound | 1,083 |
how much energy a sound wave produces | intensity |
snail shaped tube in the inner ear that carried nerve impulses to the brain. the brain interprets the impulses as sound. | cochlea |
how do materials effect sound? | different sound insulators |
1,083feet per socond | speed of sound |
how are pitch and frequency related? | pitch depends on frequency. |