Sound Waves and Light Waves

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

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

Between waves B and D, which is brighter?

• Wave B

• Wave D

Tags

NGSS.MS-PS4-1

Below are two waves. Based upon their properties, what color light is Wave 1?

• 
• 

Tags

NGSS.MS-PS4-1

Select ALL waves that are louder than wave A.

• Wave B

• Wave C

• Wave D

Tags

NGSS.MS-PS4-1

Select ALL waves that are lower in pitch 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

_____?_____ materials allow ALL light waves to pass through easily.

• Opaque

• Transparent

• Translucent

Tags

NGSS.4-PS4-2

A police department just purchased new lights for their cars. The bulbs come in red and blue, and each bulb is the same brightness. Which statement is true about the lights?

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

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

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

• The lights have the different amplitudes and different frequencies.

Tags

NGSS.MS-PS4-1