Sound

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Finish this sentence- The higher the frequency of

The higher the pitch of the sound

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What is the frequency range of young people?

20Hz - 20,000Hz

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Why can't sound waves travel through a vaccum?

Because there are no molecules in a vacuum to conduct the sound waves

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What type of waves are sound waves and why?

Longitudinal waves- because they vibrate in the direction they travel in

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What type of waves are electromagnetic waves and w

Transverse waves because they vibrate at a right-angle to the direction they travel in

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What is a sound echo?

A reflection of sound

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What would happen to the sound in a room if the wa

There will be no echos as the sound will be absorbed by the soft fabric

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What would happen to the sound in a room if the wa

No echos will be heard because the reflected sound is said to be "broken up"

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Why are musical notes easy to listen to?

Because they are rhythmic and the sound waves change smoothly and the wave pattern repeats itself

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What does noise consist of?

Sound waves that vary randomly in frequency without any pattern

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Comments

laura

thanks, this is very useful!

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