Unit 2 - Waves Review - 2025

Complete the table of friends using the given variables and units.

a

b

c

d

e

f

m/s

s

v

f

Hz

m

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NGSS.HS-PS4-1

The number of complete cycles a wave makes each second is the ____ of the wave.

• fortitude
• amplitude
• medium

• frequency

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Which of the following represents the wavelength?

• G
• H
• F
• J

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What characteristic of the wave is represented by the letter "B"?

• amplitude

• crest

• trough

• wavelength

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Which letter(s) represent the trough of the wave?

• A
• B & D
• D
• C & G

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Which letter(s) represent the crest of the wave?

• A
• B & D
• B & F
• F

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Assuming that each of the four waves pictured is in the same medium, which wave has the greatest frequency?

• 1

• 2

• 3

• 4

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NGSS.HS-PS4-1

Assuming that each of the four waves pictured is in the same medium, which wave has the longest wavelength?

• 1

• 2

• 3

• 4

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Waves are created by a vibration.

• True

• False

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NGSS.MS-PS4-1

If I increase the frequency of wave as it travels through the same medium, what happens to the wavelength?

• it increases also

• it decreases

• it stays the same

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