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Light and Color

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.
Light is a form of _________.
a)
sound
b)
heat
c)
energy
d)
color
2.
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
3.
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
4.
Which of these is an example of a translucent object?
a)
glass
b)
book
c)
opaque
d)
waxed paper
5.
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
6.
When a pencil is put into a glass of water, it appears to be broken? Why does the pencil look broken?
a)
because the shiny glass reflects light
b)
because the water separates light into many colors
c)
because the part of the pencil outside the water casts a shadow
d)
because light rays are bent when they pass from air into water
7.

Amplitude affects what aspect of light?

a)

color

b)

frequency

c)

brighness

8.

What type of wave is light?

a)

electromagnetic

b)

mechanical

9.

Why does a banana look yellow?

a)

it reflects yellow wavelengths of light and absorbs most other wavelengths

b)

it absorbs yellow wavelengths of light and reflects most other wavelengths

10.

Electromagnetic waves can travel through

a)

space

b)

a medium

c)

both

11.

When you see the color black...

a)

All colors are reflecting

b)

All colors are absorbed

c)

The color blacl is reflecting

d)

the color black is absorbed

12.
What are the primary colors of the pigment?
a)
cyan, yellow and magenta
b)
Red, green and blue
c)
black and white
13.
The three primary colors of light are
a)
Red, Blue, Yellow
b)
Pink, Green, Blue
c)
Violet, Green, Red
d)
Blue, Green, Red
14.

#3 Refers to the circular structure that surrounds the pupil and regulates the amount of light entering the eye.

a)

Cornea

b)

Pupil

c)

Retina

d)

Iris

15.

#1 Refers to the clear tissue that covers the front of the eye

a)

Retina

b)

Cornea

c)

Pupil

d)

Iris

16.

#7 Refers to the part of the eye that carried visual information from the eyeball to the brain

a)

lens

b)

optic nerve

c)

retina

d)

sclera

17.

# 5 refers to the layer of receptor cells at the back of the eye in which the image is focused

a)

Retina

b)

Lens

c)

Optic Nerve

d)

Lens

18.

black circle, allows light to enter the eye

a)

iris

b)

pupil

c)

optic nerve

d)

retina

19.

Which part is #4?

a)

pupil

b)

iris

c)

cornea

d)

lens

20.

Which part is #6?

a)

sclera

b)

cornea

c)

retina

d)

lens