Speed of Sound

Which of the following can sound travel through?

• solid
• liquid
• gas
• all of the above

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which material does sound travel the fastest?

• solid 
• liquid 
• gases

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Sound travels FASTEST through which of these materials?

• Air
• Empty space
• Metal
• Water

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Without matter, sound waves could not travel.

• True
• False

When light passes from one transparent medium to another, it changes speed. When light changes speed, it changes direction. This change of direction, or bending, is called refraction.
 True or false

• True
• False

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T or F
Light can travel through a vacuum, or empty space.

• False
• True

Sound cannot travel through ________________

• water

• air

• liquids

• outer space

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NGSS.MS-PS4-2

Sound waves travel faster than light.

• False

• True

Why does sound travel faster in solids than in liquids or gases.

• They are harder.

• The particles are closer together.

• Solids have more energy.

• Gases fill their container.

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Roughly what is the speed of sound in glass?

• About 50 m/s

• About 1 500 m/s

• About 4 500 m/s

• About 1800 m/s

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