Sound Waves Flashcards by Lucy Welch | Brainscape

Q

We hear sounds when

A

vibrations reach our eardrums

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Q

Sound waves are caused by

A

vibrating objects

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Q

Sound waves are a type of which type of wave?

A

Longitudinal wave

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Q

Why cant sound travel in space?

A

There is no particles

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Q

Sound generally travels faster in…

A

Solids then liquids and then gas’

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Q

Sound waves can

A

reflect and refract

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Q

The higher the frequency,

A

the higher the pitch

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Q

Higher frequency or pitch also means…

A

shorter wavelength

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Q

the volume of a sound depends on the

A

amplitude

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Q

The bigger the amplitude

A

the louder the sound

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