Waves

A wave is basically

• a disturbance

• energy

• matter

• a phase change

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A wave transmits

• matter

• energy

• frequency

• plasma

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Choose the correct sentence.

• A mechanical wave requires a medium, such as air or water, but an electromagnetic wave does not.

• All waves require a medium.

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An earthquake, sound, and ocean waves are all types of

• mechanical waves

• electromagnetic waves

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Sound waves are

• transverse waves

• electromagnetic waves

• longitudinal waves

• latitudinal waves

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Which sentence is true?

• Electromagnetic waves don't require a medium, so they are not caused by a disturbance.

• Electromagnetic waves are caused by a disturbance in air.

• Electromagnetic waves are caused by a disturbance in the electrical and gravitational fields of the universe.

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NGSS.MS-PS4-1

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Which is true?

• The frequency of a wave is constant.

• The wavelength of a wave is constant.

• The speed of a wave is constant.

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How many waves are shown in this picture

• 3

• 6

• 2

• 5

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Which type of wave shown has the fastest speed?

• radio waves

• gamma rays

• microwaves

• they all have the same speed

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Which of the following waves has the longest wavelength?

• radio waves

• microwaves

• infrared waves

• visible waves

• They all have the same wavelength