Sound Quiz Review

Longitudinal waves have:

• crests and troughs

• crests and compressions

• compressions and rarefactions

• troughs and rarefactions

Which wave is classified as a mechanical wave?

• microwave

• infrared wave

• sound wave

• radio wave

The diagram shows a cartoon of a sound wave produced while a student is speaking.

What happens to the sound wave when the student speaks louder?

• The amplitude increases

• the wavelength will double

• the speed will increase

• the amplitude will decrease

Tags

NGSS.MS-PS4-1

This diagram shows two different ways to represent longitudinal waves.

Which letter corresponds to rarefaction in the waves?

• Z

• X

• W

• Y

Tags

NGSS.MS-PS4-1

Two sound waves of different frequencies interfere and produce a resulting waveform shown with four points (W, X, Y, and Z) marked on the new wave.

At which point will the sound be the loudest ?

• W

• X

• Y

• Z

Tags

NGSS.MS-PS4-1

The diagram shows a research vessel using sonar to map the ocean floor.

Upon which basic behavior of sound waves does this technology depend?

• absorption

• compression

• reflection

• refraction

Tags

NGSS.MS-PS4-2

Sound is produced by -----

• Heat energy

• Low temperatures

• Vibrations

• Friction

Tags

NGSS.MS-PS3-5

True or False: Sound needs a medium.

• True

• False

Tags

NGSS.MS-PS4-2

Sound waves are also known as ----- waves.

• Compression

• Longitudinal

• Neither

• Both longitudinal and compression

The distance from the beginning of one compression to the beginning of the next compression is called a -----

• Rarefaction

• Frequency

• Wavelength

• Compression

Tags

NGSS.MS-PS4-1