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Light

Total questions: 52

Worksheet time: 41mins

Name
Class
Date
1.
What particles make up light?
a)
Photons
b)
Neutrons
c)
Protons
2.
Light behaves like both a particle and a ______.
a)
Mass
b)
Wave
c)
Current
3.
What color has the shortest wavelength, or the highest frequency?
a)
yellow
b)
blue
c)
red
d)
violet
4.
What does reflection mean?
a)
bending light
b)
bouncing light
5.
What does refraction mean?
a)
bending light
b)
bouncing light
6.
What type of waves does light travel in?
a)
transverse
b)
compression
c)
high and low waves
d)
waves like the ocean
7.
What is this a picture of?
a)
reflection
b)
refraction
8.

Light travels through an object during

a)

absorption

b)

reflection

c)

transmission

d)

diffraction

9.

What is the earth's primary source of light energy?

a)

moon

b)

sun

c)

waves

d)

fire

10.

The height of the sound waves

a)

Frequency

b)

Amplitude

c)

Wavelength

11.
Which wavelength of visible light has the lowest energy?
a)
Red
b)
Yellow
c)
Orange
d)
Blue
12.
Light is a KIND of ENERGY.
a)
True
b)
False
13.
All light has a SOURCE, or something it comes from. 
a)
True
b)
False
14.
Which of these are examples of NATURAL sources of light?
a)
Sun 
b)
Stars
c)
Lightning
d)
ALL of them
15.
_______ is when light hits and object and it BOUNCES off.
a)
Reflection
b)
Refraction
16.
Which objects REFLECT more light?
a)
Shiny objects
b)
Dull objects (not shiny)
17.
Light can pass through objects.
a)
TRUE
b)
FALSE
18.
Through which objects does light pass MORE?
a)
Transparent objects, like glass windows
b)
Opaque objects (not transparent), like a plant
19.
Things make shadows because they ______ light.
a)
BLOCK
b)
PASS
20.
When light passes through things it ________. 
a)
BENDS
b)
STAYS in the SAME direction.
21.
___________ is when light BENDS or CHANGES direction.
a)
Reflection
b)
Refraction
22.
Refraction makes objects look different.
a)
TRUE
b)
FALSE
23.
Which of these objects use REFRACTION?
a)
Telescope
b)
Magnifying glass
c)
Microscope
d)
ALL of them
24.
What happens when light hits an object you can see?
a)
The light turns corners.
b)
The light curves around the object.
c)
The object reflects the light.
d)
The light and the object do not form a shadow.
25.
Through what kind of matter does light move fastest?
a)
liquids
b)
air
c)
matter that is lighter in color
d)
matter that is in larger objects 
26.
What happens to blue light when it hits a shirt that appears blue?
a)
The light is reflected.
b)
The light is absorbed.
c)
The light is refracted.
d)
The light is blocked.
27.

What is a property of a transparent object?

a)

Almost all of the light rays that reach it are scattered.

b)

Almost all of the light rays that reach it are absorbed.

c)

Almost all of the light rays that reach it are reflected.

d)

Almost all of the light rays that reach it pass through it.

28.
What is most likely to happen to light that hits an opaque object?
a)
All of the light passes through the object.
b)
None of the light passes through the object.
c)
Most of the light disappears.
d)
Some of the light passes through the object.
29.
If you wanted a gift to be a surprise, what kind of container would you put it in?
a)
transparent
b)
thick
c)
opaque
d)
translucent
30.
The moon is a source of light.
a)
True
b)
False
31.
What does it mean to refract?
a)
bounce off
b)
to bend
c)
curve outward
d)
reflect
32.
What happens when light hits a mirror?
a)
it makes a color
b)
it reflects
c)
it makes a rainbow
d)
it passes through
33.
How does light travel?
a)
in a wavy path
b)
in a straight path
c)
in a zig zag path
34.

What is a prism?

a)

a transparent object that separates white light

b)

an opaque object that appears black

c)

a translucent object

35.

Why do we see objects as black?

a)

They absorb all the light.

b)

They reflect all the light.

c)

They absorb some light waves and reflect others.

36.
What do all waves have in common?
a)
nothing
b)
they carry energy
c)
they absorb light
d)
you can see them
37.

When we looked at our pencil in a beaker of water it looked bent, why?

a)

The light bends the pencil.

b)

Light reflects off of the water.

c)

Light changes direction in the water.

d)

The water bends the pencil.

38.
A shiny piece of metal will __________ light.
a)
reflect 
b)
refract
39.

An eyeglass lens will __________ light.

a)

reflect

b)

refract

c)

disperse

40.
Which explains why the fork looks different under water?
a)
light can't pass through the glass
b)
the wavelength of light lengthens
c)
the amount of light increases when going through water
d)
light is refracted at an angle
41.
The three primary colors of light are
a)
Red, Blue, Yellow
b)
Pink, Green, Blue
c)
Violet, Green, Red
d)
Blue, Green, Red
42.
Why does an apple appear red?
a)
All colors are absorbed & none are reflected
b)
All colors are absorbed except for blue, which is reflected
c)
All colors are reflected and none are absorbed
d)
All colors are absorbed except for red, which is reflected
43.
Which color reflects the least light?
a)
Black
b)
White 
c)
Blue
d)
Red
44.
If you are using a green color filter, what color will you only see?
a)
blue
b)
green
c)
white
d)
red
45.
If you are using a red color filter, blue objects will appear what color?
a)
purple
b)
blue
c)
red
d)
black
46.

Red light + blue light = ?

a)

magenta light

b)

purple light

c)

cyan light

d)

yellow light

47.

Red light + green light = ?

a)

orange light

b)

purple light

c)

cyan light

d)

yellow light

48.

Blue light + green light = ?

a)

red light

b)

teal light

c)

cyan light

d)

yellow light

49.

When light travels from air into water, it ____.

a)

slows down; bends toward normal

b)

speeds up; bends toward normal

c)

slows down; bends away from normal

d)

speeds up; bends away from normal

50.

Why does light have different speeds in different mediums (glass, water, air, etc.)?

a)

different densities of mediums

b)

different colors of mediums

c)

different masses of mediums

d)

different price of mediums

51.

What color does a green book appear in red light?

a)

green

b)

black

c)

red

d)

white

52.

What color does a green book appear in green light?

a)

green

b)

black

c)

red

d)

white

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