Light and Sound Wave Behavior

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

• Wave F

• Wave G

Tags

NGSS.MS-PS4-1

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

Between waves B and D, which is louder?

• Wave B

• Wave D

Tags

NGSS.MS-PS4-1

Light travels in waves. Which of the following statements about light waves is NOT true.

• They travel in straight lines.

• They can come from natural or artificial sources.

• They can change directions when they are reflected or refracted.

• They can travel through any substance.

Tags

NGSS.MS-PS4-2

Match these parts of a light wave

• height of the wave

• frequency

• top

• crest

• bottom

• Amplitude

• how often waves occur

• wavelength

• distance from wave to wave; gives light its color

• trough

Tags

NGSS.MS-PS4-1

What kind of waves are light waves?

• Longitudinal waves

• Electrons

• Transverse Waves

Tags

NGSS.MS-PS4-1

What kind of wave light is

• Transverse wave

• Longitudinal wave

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

Electromagnetic waves ________ a medium to travel through, while mechanical waves ___________ a medium.

• do not need/need

• need/do not need