Sound Wave Behavior

Between waves B and D, which is louder?

• Wave B

• Wave D

Tags

NGSS.MS-PS4-1

Between waves F and G, which is lower in pitch?

• Wave F

• Wave G

When you yell in a canyon, you hear an echo of your voice. Why is this?

• The sound waves are absorbed by the walls of the mountains.

• The sound waves are reflected by the walls of the mountians.

• The sound waves are transmitted through the walls of the mountains.

Tags

NGSS.MS-PS4-2

Select ALL waves that are louder than wave A.

• Wave B

• Wave C

• Wave D

Tags

NGSS.MS-PS4-1

While listening to a video for homework through headphones, you hear several sounds (at a set volume). One is a door squeaking as you open it, the other is the rumble of thunder. What statement below is true about the sound?

• The sounds have the same amplitude, but different frequencies.

• The sounds have the same amplitude, and the same frequencies.

• The sounds have different amplitudes, but the same frequencies.

• The sounds have different amplitudes and different frequencies.

Tags

NGSS.MS-PS4-1

The volume of a sound corresponds to the

• amplitude

• frequency

• wavelength

Tags

NGSS.MS-PS4-1

The pitch of a sound corresponds to the

• amplitude

• frequency

• crest

In movie theaters, they build the walls between theaters with materials that block the sounds from traveling to the next theater. What material would be best?

• Materials that transmit sound waves.

• Materials that absorb sound waves.

Tags

NGSS.MS-PS4-2

Select ALL waves that are lower in pitch than wave A.

• Wave B

• Wave C

• Wave D

Tags

NGSS.MS-PS4-1

Which of the following statements about how sound waves travel is correct?

• Sound waves travel faster through solids than through liquids.

• Sound waves travel faster through gases than through solids.

• Sound waves travel fastest through liquids and the slowest through solids.

• Sound waves travel the fastest through gases and the slowest through liquids.

Tags

NGSS.MS-PS4-2