PS7 Light

_____?_____ 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

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

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