The Nature of Sound

Sound travels as a(n)

• medium

• energy

• wave

• particle

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When one part of a vibration causes air particles to spread out, they form a

• compression

• sound wave

• diffraction

• rarefaction

When one part of a vibration pushes air particles together, they form a

• compression

• sound wave

• diffraction

• rarefaction

Sound can travel through

• soild

• liquid

• gases

• all of the above

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The _____ of sound depends on the temperature, stiffness, and density of the medium the sound travels through.

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Sound travels more _____ at higher temperatures than at lower temperatures.

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Sound waves lose energy more _____ in stiff mediums than in less stiff mediums

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

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__________ is the amount of matter or mass there is in a given amount of space or volume.

The speed of sound travels through steel is much ____ than the speed of sound traveling through air.

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