Sound Waves Review

The material (matter) through which a wave travels is called a __________.

• medium

• sound

• pitch

• Doppler Effect

The number of wavelengths that pass a point each second is called __________.

• frequency

• pitch

• wavelength

• amplitude

Sound is produced by __________.

• a disturbance

• a vibration

• movement

• All of the above.

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How is wavelength measured?

• From trough to crest (B to D)

• From the center line to the crest (B to C)

• From the crest of one wave to the crest of the next (B to F)

• From one end of the wave to the far end of the wave (A to H)

True or False: 
Frequency is how many waves pass per second. 

• True
• False

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If you increase frequency what happens to the wavelength?

• Wavelength increases
• Wavelength decreases
• Wavelength remains the same

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Sound is made when a source of energy forces the matter to

• Vibrate

• Move

• Stay still

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What is letter B. ?

• The height of a wave

• Crest

• Trough

• equilibrium

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What is letter C. ?

• Amplitude

• A Wave

• Trough

• Volume

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What is letter D. ?

• Crest

• Frequency

• Amplitude

• Trough

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