In Insects

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

Cicada
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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Flaws of Second-Wave Feminism

Though the second wave of feminism had a positive effect on expanding women's rights, it also had a variety of shortcomings. When studying the history of feminism, we should k… (MORE)

In Science

What is the pitch in the relation to sound waves?

Sound is a compression or rarefication of air. That compression is measured in frequency (Hertz) or cycles per sec . 440 Hertz is A or "Concert Pitch"

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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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