Week 28 - Chapter 20 Sound

Sound travels in a _____.

• boat
• wave
• straight line
• particle

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

A sonic boom happens when two planets collide.

• yes
• no
• unknown

The cracking of a whip is actually the tip breaking the sound barrier.

• true
• false

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

 Sound waves travel faster in solids than in gases.

• True
• False

What happens when something travels faster than the speed of sound?

• A sonic boom
• Nothing happens
• Nothing can travel faster than the speed of sound

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

When wavelength is large...

• frequency is small.
• frequency is large.
• There is no relationship between wavelength and frequency.

Tags

NGSS.HS-PS4-1

'Supersonic speed' is dependent on the medium in question.

• True
• False

Tags

NGSS.HS-PS4-1

What is the unit for frequency?

• Hertz
• Maxwell
• Wave
• Amplitude

A musician is playing a low-pitched recorder. Which of the following statements is true about his instrument?

• The instrument is likely small.
• The musician must blow harder to achieve sound.
• The instrument is pink.
• The instrument is likely large.

Do sound waves oscillate parallel to or perpendicular to the direction in which the wave travels?

• Parallel
• Perpendicular
• The waves are random