Sound Waves Physical Science

Areas of increased pressure on a sound wave are known as a ----

• Rarefaction

• Compression

• Frequency

• Amplitude

Tags

NGSS.MS-PS4-1

Sound is produced by -----

• Heat energy

• Low temperatures

• Vibrations

• Friction

Tags

NGSS.MS-PS4-1

True or False: Sound needs a medium.

• True

• False

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

• Compression

• Longitudinal

• Neither

• Both longitudinal and compression

A student yells from one side of Canyon A and records the time it takes to hear an echo. The student repeats the process for Canyon B. The time recorded for Canyon B is longer than for Canyon A. Which is the most likely conclusion based on this information?

• The rock in Canyon A is denser than the rock in Canyon B

• The rock in Canyon A is stiffer than the rock in Canyon B

• The distance across Canyon A is longer than the distance across Canyon B

• The distance across Canyon A is shorter than the distance across Canyon B

Tags

NGSS.MS-PS4-2

Sound waves are...

• Compression waves

• Transverse waves

• Long waves

• Short waves

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Sound waves are unable to-

• travel through solids

• travel through liquids

• travel through gases

• travel through vacuums

Tags

NGSS.MS-PS4-2

Which of the following statements about sound waves is true?

• Sound is a transverse wave that can only travel in water.

• Sound waves cannot typically be easily decoded by animals

• A sound wave is a longitudinal wave that needs a medium in order to be transmitted.

Tags

NGSS.MS-PS4-2

What is the part of a sound wave called where molecules are pressed tightly together?

• rarefaction

• compression

• wavelength

The pitch of a sound corresponds to the

• amplitude

• frequency

• crest