Sound Traveling Through Mediums

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

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

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

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NGSS.MS-PS4-2

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

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NGSS.MS-PS4-2

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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NGSS.MS-PS4-2

How does a sound wave behave when traveling through a concrete wall?

• The wave speed does not change as it travels through the wall.

• The wave speed will change depending on which side of the wall the wave is coming from.

• The wave slows down as it travels through the wall, and speeds up on the other side.

• The wave speeds up as it travels through the wall, and slows down on the other side.

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NGSS.MS-PS4-2

When a wave meets a boundary between two different media, it will:

• A. disappear.

• B. change directions.

• C. keep going in a straight line.

• D. cause the particles of the medium to scatter.

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NGSS.MS-PS4-2

Which of these describes the behavior of waves that reflect when they meet a boundary between two media, the wave....

• The wave is bent in a new direction

• The wave scatters in all directions and is destroyed.

• The wave pushes through the media in the same direction.

• The wave bounces back and changes direction.

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NGSS.MS-PS4-2

Transmission describes what happens when:

• a wave splits into two waves within the same medium.

• a wave passes into a new medium and travels through that medium.

• two waves collide in the same medium.

• multiple waves exchange energy within a single medium.

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NGSS.MS-PS4-2