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Unit 8K - Light

Total questions: 16

Worksheet time: 16mins

Name
Class
Date
1.
Light is a kind of.....
a)
reflection
b)
energy
c)
heat
d)
matter
2.
The bouncing of light off an object is ....
a)
a mirror
b)
absorption
c)
reflection
d)
refraction
3.

The two kinds of reflection are

a)

transparent and translucent

b)

opaque and translucent

c)

specular and diffuse

4.
The taking in of light by a material....
a)
absorption
b)
reflection
c)
refraction
d)
dark colors
5.
The bending of light when it moves through one kind of matter to another is.....
a)
absorption
b)
reflection
c)
refraction
d)
a rainbow
6.
Which of these describes how light travels through an empty space?
a)
It travels straight but may change direction to avoid objects.
b)
It changes direction often even if there are no objects. 
c)
It comes to a stop after it travels a certain distance. 
d)
It travels in a straight line without stopping. 
7.
Allows little to no light through.
a)
Transparent
b)
Translucent
c)
Opal
d)
Opaque
8.

What does the pencil in this picture show about light?

a)

Light is refracted when it hits a curved object.

b)

Light is reflected when it hits a curved object.

c)

Light is refracted when it passes from air into water.

d)

Light is reflected when it passes from air into water.

9.
What surface best reflects light?
a)
dull
b)
shiny
c)
clear
d)
black
10.
What happens to light passing through a prism?
a)
It goes right through it.
b)
It bends and the light separates.
c)
It bounces off it
d)
It goes around it.
11.
How is refraction different from reflection.
a)
Reflection is the bouncing of light off an object and refraction is the bending of light when it moves through one kind of matter to another.
b)
Reflections is the bending of light when it moves through one kind of matter to another and refraction is the bouncing of light off an object.
12.
Band of color in a rainbow, or from a light passing through a prism.
a)
Spectrum
b)
Space
c)
Prism
d)
Refraction
13.
Allows most light through
a)
eflection
b)
Refraction
c)
Translucent
d)
Transparent
14.

What makes it possible to see an object when looking through a periscope?

a)

It contains mirrors that reflect the object.

b)

It magnifies small objects so they can be seen.

c)

It absorbs the light rays passing through it.

d)

It separates the light into different colors.

15.

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

a)

Retina

b)

Cornea

c)

Pupil

d)

Iris

16.

Label 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