Front

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

Back

Translucent

Front

What materials do not allow ANY light waves to pass through? Options: Opaque, Transparent, Translucent

Back

Opaque

Front

_____?_____ materials allow ALL light waves to pass through easily. Options: Opaque, Transparent, Translucent

Back

Transparent

Front

The volume of a sound corresponds to the following options: amplitude, frequency, wavelength.

Back

amplitude

Front

The pitch of a sound corresponds to the

Back

frequency

Front

Between waves B and D, which is louder?

Back

Wave D

Front

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

Back

Wave F

Front

Why do you hear an echo when you yell in a canyon?

Back

The sound waves are reflected by the walls of the mountains.

Front

What material is best for building walls between movie theaters to block sound?

Back

Materials that absorb sound waves.

Front

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

Back

do not need/need