Nature of Sound

How does the vibration of a drumhead cause a sound wave to form?

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NGSS.MS-PS4-1

Do sound waves always travel in a straight lines? explain

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The ____ of a medium helps determine the speed of sound passing through the medium.

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What type of wave is a sound wave?

• transverse

• longitudinal

• ocean

• goodbye

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Sound waves can travel through the following media

• air

• water

• the ground

• all of the above

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Through what material does sound travel the fastest?

• a vacuum

• air

• water

• wood

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Why is there no sound in outer space?

• There are no people to hear it

• Space is a vacuum

• Sound can only travel through solid objects

• Outer space is too large

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What is another way to explain frequency?

• quieter

• louder

• more often

• slower

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What is part A of a longitudinal wave called?

• wavelength

• compression

• rarefaction

• amplitude

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NGSS.MS-PS4-1

What is part B of a longitudinal wave called?

• wavelength

• compression

• rarefaction

• amplitude

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