Wave and Sound Review

Sound waves are what kind of wave?

• Longitudinal
• Transverse
• Surface
• Electromagnetic

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NGSS.MS-PS4-1

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If you want to change the pitch of a sound, you have to change the ___

• frequency
• amplitude
• height
• volume

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NGSS.HS-PS4-1

What happens when you increase the amplitude of a sound?

• it makes the sound louder
• it makes the sound travel faster
• it increases the wavelength of the sound
• it increases the frequency of the sound

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NGSS.MS-PS4-1

The speed of a sound wave depends on

• the frequency
• the density of the medium
• both the medium's temperature and the density of the medium
• the medium's temperature

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NGSS.HS-PS4-1

True or False: Can sound travel through a vacuum (space).

• True
• False

True or False: Sound travels better through solids than through liquids

• True 
• False

Tags

NGSS.MS-PS4-2

What is a pitch?

• highness or lowness of a sound
• the intensity of a vibration
• the amplitude of the sound wave
• volume of sound

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NGSS.MS-PS4-1

Why is sound able to travel faster through a solid than a gas?

• Gas molecules are packed tightly.
• Sound does not travel faster through a solid than a gas.
• Solid molecules are packed tightly.
• Gas molecules move slowly.

Tags

NGSS.MS-PS4-1

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Why is sound able to travel faster through warm materials than cold materials?

• Gas molecules are packed tightly.
• Sound does not travel faster through a warm substance.
• Warm molecules are moving quickly.
• Warm molecules move slowly.

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NGSS.MS-PS1-4

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A note is played on a guitar.  Next, a lower note is played on the guitar.  Which of these statements describes the lower note?

• Both notes vibrated at the same speed.
• The second note vibrated slower.
• The second note vibrates at a higher frequency.
• The second note vibrated faster.

Tags

NGSS.MS-PS4-1

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