Waves, Light, and Sound

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

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

• Wave B

• Wave C

• Wave D

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

NGSS.MS-PS4-2

_____?_____ materials allow SOME light waves to pass through, but not in a straight path.

• Opaque

• Transparent

• Translucent

Tags

NGSS.MS-PS4-2

_____?______ materials do not allow ANY light waves to pass through.

• Opaque

• Transparent

• Translucent

Tags

NGSS.4-PS4-2

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

• Opaque

• Transparent

• Translucent

Tags

NGSS.MS-PS4-2

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