Chapter 10 Test Review

1) What is light?

• An object
• A process
• A form of energy

2) We see most of the world _____________________.

• With reflected light
• with objects giving off light
• Using dim lights
• With a flashlight

3) If you were in a dark room, you would not be able to see the color of your clothes because your clothes do not ___________ light.

• refract
• bright
• dim
• make

4.) When all the colors of light are combined, we see ____________ light.

• red
• green
• blue
• white

5) Why do we see lightning, before we hear thunder?

• Light travels faster than sound.
• Sound travels faster than light.
• Sound and light travel at the same speed.
• There is not enough information to answer this question.

6) According to the chart below, which color has the LOWEST frequency?

• Red
• Yellow
• Green
• Violet

7) Wavelength and frequency of light are ______________ related.

• not
• closely
• inversely

8. According to the chart below, what part of the Electromagnetic Spectrum is able to be seen by the human eye?

• Gamma Rays
• x- Rays
• Visible Light
• Radio Waves

9) According to the chart below, which waves have the shortest wavelengths?

• Gamma Rays
• Ultraviolet
• Visible Light
• Radio Waves

10) What are the light sensitive cells on the surface of the retina called?

• Neutrons
• Protons
• Light
• Photoreceptors