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Color Addition and Subtraction

Total questions: 27

Worksheet time: 14mins

Name
Class
Date
1.
This is used to separate white light into colors. 
a)
prism
b)
reflection
c)
sunlight
d)
spectrum
2.
Light is a form of _________.
a)
sound
b)
heat
c)
energy
d)
color
3.
Light travels ___________.
a)
backwards
b)
in a straight line
c)
in curves
d)
at a right angle
4.
What do water droplets in a rainbow act like?
a)
reflectors
b)
rays of light
c)
lasers
d)
prisms
5.
By passing light through a prism, you can tell ____________.
a)
that white light is made of different colors
b)
the weight of the prism
c)
the original source of light
d)
that blue light is brighter than white light
6.
What color appears when all colors are absorbed?
a)
black
b)
red
c)
white
d)
violet
7.
What is the correct order of the colors of the rainbow?
a)
Red, Yellow, Orange, Blue, Indigo, Violet
b)
Red, Orange, Yellow, Green, Blue, Indigo, Violet
c)
Yellow, Orange, Red, Green, Blue, Violet, Indigo
8.
Materials such as wood and metal do not let light travel through them. We cannot see them at all. They are said to be ______________.
a)
invisible
b)
opaque
c)
translucent
d)
transparent
9.
Materials that allow light to pass through them clearly are called transparent. Which of the following materials is NOT transparent?
a)
window glass
b)
clean air
c)
a mirror
d)
water
10.
Which of these is an example of a translucent object?
a)
glass
b)
book
c)
opaque
d)
waxed paper
11.
What happens to light when it strikes an opaque surface?
a)
the light passes through with no change
b)
the light is refracted back and separated into colors
c)
the light curves around the opaque surface entirely
d)
the light does not pass through the opaque surface
12.

Which of the following is NOT a primary color of light?

a)

Red

b)

Blue

c)

Yellow

d)

Green

13.

Which of the following forms of EM waves have a HIGHER frequency than visible light? (select all that apply)

a)

microwaves

b)

gamma rays

c)

ultraviolet rays

d)

infrared light

e)

radio waves

14.

Which of the following frequencies of light has longest wavelength?

a)

red

b)

green

c)

blue

d)

yellow

e)

violet

15.

Which of the following carries the highest amount of energy?

a)

X-rays

b)

UV-rays

c)

radio waves

d)

microwaves

e)

blue light

16.

_ light is the result of blue, red, and green light being added together.

(a)  

17.

When a blue and red spotlight are shined on actor wearing white ghost costume, what color does the audience see?

a)

cyan

b)

magenta

c)

yellow

d)

violet

e)

green

18.

White light is shined through a magenta filter. Which of the following will be BLOCKED by the filter? (choose all that apply)

a)

Red

b)

Blue

c)

Green

d)

Magenta

19.

White light is shined through a blue filter. Which of the following will be BLOCKED by the filter? (choose all that apply)

a)

Red

b)

Blue

c)

Green

d)

Cyan

e)

Magenta

20.

A white light is shined through a cyan filter, and then a magenta filter. What color will appear?

a)

blue

b)

green

c)

red

d)

black

21.

A white light is shined through a cyan filter, and then a yellow filter. What color will appear?

a)

blue

b)

green

c)

red

d)

black

22.

A white light is shined through a blue filter, and then a yellow filter. What color will appear?

a)

blue

b)

green

c)

red

d)

black

23.

A magenta light and a green light are shined in the same space. What color will they form?

a)

Red

b)

Cyan

c)

Yellow

d)

Blue

e)

White

24.

A white light shined through a red filter is shined toward a blank space. If a green light is also shined on that space, what color will result?

a)

yellow

b)

magenta

c)

cyan

d)

red

e)

green

25.

Which two filters could be combined to make a white light appear red?

a)

blue

b)

cyan

c)

magenta

d)

yellow

e)

green

26.

A white light is shined through magenta and green filters on a spot, and then a blue light is also shined on the spot. What color will appear at the spot?

a)

blue

b)

red

c)

green

d)

cyan

e)

magenta

27.

Which of the following describes how we see an object outdoors?

a)

Light goes from our eyes, then bounces off an object, and reaches the sun

b)

Light goes from the sun, into our eyes, and then onto an object

c)

Light comes from the sun, bounces off an object, and then into our eyes

d)

Light travels from an object to the sun, and then into our eyes

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