Unit 6: Waves and Light review

Which letter is an example of reflection?

• A

• B

• C

Which of the following represents refraction?

• A
• B
• C
• D

Sound is received in your ear through

• the vibration of matter such as air, water, or other material

• energy waves that can go through empty space

• vibrations of space

A substance (like solid, liquid or gas) that the energy of a wave can travel through

• amplitude

• compression

• medium

• frequency

In the electromagnetic spectrum how does the energy change?

• The higher the frequency the lower the energy

• The lower the frequency the higher the energy

• The higher the frequency the higher the energy

• The higher the amplitude the higher the energy

Why should you wear darker colors/black in the winter time ?

• More light is absorbed

• More light is being reflected

• More light is scattered

• More light is refracted

Light can travel through space.

• True

• False

Waves with a low frequency must have

• low amplitude

• long wavelength

• short wavelength

• low energy

What happens to the speed of a light wave when it moves from a gas to a solid?

• It remains the same

• It speeds up

• It speeds up and then slows down

• It slows down

_____ is electromagnetic waves that can be detected by the eye.

• Energy

• Matter

• Sound

• Light