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1. What is light?
A
is an electromagnetic radiation that you can see.
B
is the bouncing of a wave off a surface.
C
is made of hot glowing gases.
2. What is a photon?
A
a electromagnetic radiation that you can see.
B
a source of light.
C
a particle of electromagnetic radiation.
3. What does luminous mean?
A
made of gas.
B
does not emit light.
C
emit light.
4. What is reflection?
A
is the bouncing of a wave off a surface.
B
is electromagnetic radiation that you can see.
C
the passing of light through an object.
5. What does transparent mean?
A
a material through which light does not pass.
B
a material that allow most of the light that strikes it to pass through and form a blurry image.
C
a material that allows almost all the light that strikes it to pass through and form a clear image.
6. What does translucent mean?
A
a material that allows all the light that strikes it to pass through and form a clear image.
B
a material that allows most of the light that strikes it to pass through and form a blurry image
C
a material through which light does not pass.
7. What is transmission?
A
the bouncing of a wave off a surface.
B
the passage of light through an object.
C
the transfer of energy by a wave to the medium through which it travels
8. The longest wavelengths of light appear?
A
red
B
green
C
violet
9. The shortest wavelength of light appear?
A
violet
B
Blue
C
Indigo
10. When you combine blue, green and red, what color do you get
A
gray
B
white
C
black
11. The color you see always depends on the color of light that the object ___________
A
reflects
B
refracts
C
diffraction
12. What color do you get when you combine yellow, cyan, and magenta?
A
black
B
white
C
gray
13. Mixing pigments produces many different ________ as certain wavelengths are absorbed and fewer colors are reflected to your eyes.
A
pigments
B
shades
C
colors
14. What are primary light colors?
A
red, green, and blue
B
yellow, cyan, magenta
C
red, blue, and yellow
15. What are the primary pigments?
A
red, green and blue
B
cyan, magenta, and yellow
C
yellow, cyan, and red
16. Each primary pigment ________ color by absorption.
A
reduce
B
additive
C
subtract
17. White light contains all colors of visible light.
A
I do not know
B
False
C
True
18. People are able to see all the waves of the electromagnetic spectrum.
A
true
B
false
C
I don't know
19. A flashlight is an luminous object.
A
I don't know
B
false
C
true
20. Electromagnetic spectrum is organized into groups based on the ___________ and __________ of the waves.
A
frequencies and energy
B
wavelengths and heat
C
wavelengths and frequencies