In Insects

Name an insect which makes high pitched sounds creating almost 1000 sound waves per second?

Cicada
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In Science

How many feet do sound waves travel per second?

  At sea level in air sound travels approximately 1125 ft/s, however it changes depending on the material in which it travels. For instance, it travels faster in water.
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In Science

Do fast vibrations make a high pitch sound?

  Yes, they do. That's why on T.V., when they show something done really fast, their voices are high pitched.
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In Physics

What does the pitch of a sound wave depend on?

The frequency of the wave. Higher frequency means "higher" pitched sound and lower frequency means "lower" pitched sound.
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What animals make high pitch sounds?

toothed whales (dolphins etc) that echo-locate and bats thats echo-locate. Mice are pretty high pitched but not as high as the echo-locators.
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