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Light 4th Grade

Total questions: 61

Worksheet time: 53mins

Name
Class
Date
1.
What does refletion mean?
a)
It is when the light changes the material and the direction of it changes as well. 
b)
It is when the material is rebounding the light.
2.
Which images are opaque?
a)
A & C
b)
A,C,E, & F
c)
D, E, & F
d)
A & E
3.
Another name for light bending is ....
a)
Reflaction
b)
Absorbing
c)
Refraction
d)
mirror
4.
Opaque means...
a)
No light passes through it
b)
All light passes through it
c)
Some light passes through it
5.
_____ is a lens that is thicker in the middle and makes an object appear bigger.
a)
prism
b)
convex lens
c)
concave lens
d)
mirror
6.
______ is a lens that is thicker on its edges and makes an object appear smaller?
a)
mirror
b)
convex lens
c)
concave lens
d)
prism
7.
What Does a Concave Lens Do?
a)
Make things bigger
b)
Make things smaller
c)
Make things closer
d)
Make things happy
8.
What Does a Convex Lens Do?
a)
Make things bigger
b)
Make things smaller
c)
Make things closer
d)
Make things sader
9.
The color you see is the color that is ___.
a)
reflected
b)
absorbed
10.
___________ is a from of energy that we can see with our eyes.
a)
shadow
b)
light
c)
energy
d)
reflection 
11.
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
12.
When a rainbow is formed outside naturally, what causes the light to refract?
a)
A. Small raindrops
b)
B. Sunlight rays
c)
C. Tiny mirrors
d)
D. Glass prisms
13.
When a rainbow is formed outside naturally, what causes the light to refract?
a)
A. Small raindrops
b)
B. Sunlight rays
c)
C. Tiny mirrors
d)
D. Glass prisms
14.
When a rainbow is formed outside naturally, what causes the light to refract?
a)
A. Small raindrops
b)
B. Sunlight rays
c)
C. Tiny mirrors
d)
D. Glass prisms
15.
When a rainbow is formed outside naturally, what causes the light to refract?
a)
A. Small raindrops
b)
B. Sunlight rays
c)
C. Tiny mirrors
d)
D. Glass prisms
16.

What is light?

a)

Is a form of energy.

b)

Is everything.

c)

Refracts or bends.

17.

This picture is an example of refraction

a)

FALSE

b)

TRUE

18.

''It is the bouncing back of light from a source''

is the definition of:

a)

Transparent.

b)

Refraction.

c)

Reflection.

19.

This is an example of

a)

Refraction.

b)

Transparent

c)

Opaque

d)

None.

20.

When NO light passes through is called...

a)

Dark.

b)

Opaque.

c)

Translucent.

d)

Blend.

21.

In this picture, the sun represents natural light

a)

TRUE.

b)

FALSE.

22.

Which picture represents artificial light?

a)
b)
c)
d)
23.

Which picture represents artificial light?

a)
b)
c)
d)
24.

Which picture shows an example of reflection?

a)
b)
25.
What is light energy that can be seen?
a)
Visible Light
b)
Visible Spectrum
c)
The rainbow
d)
none of the above
26.
How does light energy move?
a)

In a straight line

b)
In different directions
27.
Allows light to pass through but the light is scattered so that whatever is behind it cannot be clearly seen.
a)
Transparent
b)
Translucent
c)
Opaque
d)
None of the above
28.
Does not allow light to pass through it
a)
Transparent
b)
Translucent
c)
Opaque
d)
None of the above
29.
Allows light to pass through so whatever is behind it can be clearly seen
a)
Transparent
b)
Translucent
c)

Opaque

d)
None of the above
30.
To bounce back
a)
Transmit
b)
Absorb
c)
Reflect
31.
To pass through
a)
Transmit
b)
Absorb
c)
Reflect
32.
Allows light to pass through so whatever is behind it can be clearly seen
a)
Transparent
b)
Translucent
c)

Opaque

d)
None of the above
33.
Why would an object be white?
a)
All of the colors of the rainbow reflected off of the object
b)
All of the colors of the rainbow were absorbed into the object
34.
Why would an object be black?
a)
All of the colors of the rainbow reflected off of the object
b)
All of the colors of the rainbow were absorbed into the object
35.
Why can you see a reflection in the mirror?
a)
Light rays reflect off of the mirror in different directions
b)
Light rays reflect off of the mirror in the same direction
36.
A lens that is thinner at the edges and thicker in the middle?
a)
Convex
b)
Concave
37.
A lens that is thicker at the edges and thinner in the middle?
a)
Convex
b)
Concave
38.

Which is a source of light?

a)
b)
c)
d)
39.

Which is NOT a source of light?

a)
b)
c)
d)
40.

Which shows a shadow?

a)
b)
c)
d)
41.

What time of day are shadows the smallest?

a)

morning

b)

night

c)

noon

d)

dinner time

42.

What makes a shadow?

a)

something blocks the light

b)

something makes light

c)

the room is dark

d)

the Sun goes down

43.

What is our main source of light?

a)

Sun

b)

Moon

c)

trees

44.

Shadows come in different __________ and ____________

a)

shapes

b)

colors

c)

sizes

45.

When the Sun gets higher in the sky, shadows get ______.

a)

longer

b)

gone

c)

shorter

d)

darker

46.

When the Sun gets lower in the sky, shadows get______.

a)

longer

b)

gone

c)

shorter

d)

darker

47.
Which images are opaque?
a)
A & C
b)
A,C,E, & F
c)
D, E, & F
d)
A & E
48.
Opaque means...
a)
No light passes through it
b)
All light passes through it
c)
Some light passes through it
49.

If light hits something transparent , it will...

a)

make a shadow

b)

pass through

c)

stop

50.
Which source of light is natural?
a)
firworks
b)
lightbulb
c)
lightning
d)
headlights
51.

Which is NOT a source of light?

a)

firefly

b)

ball

c)

sun

d)

torch

52.
What does the moon do?
a)
produces light
b)
reflects the suns light
c)
produces heat
53.
Which will make the darkest shadow? Light shining on a...
a)
sheet of thin tissue paper
b)
glass window  
c)
wooden chopping board  
d)
none of the above
54.

1. What is the only form of energy we can see?

a)

prism

b)

light

c)

mirror

55.

Which of the following is a man made source of light?

a)

A book

b)

A car

c)

A torch

d)

A poster

56.

Which of the following objects reflect light?

a)
b)
c)
d)
57.
What colours is white light made from?
a)
Orange, Green, Pink, Magenta, Peach, Rose, Lemon
b)
Red, Orange Yellow, Green, Black, Indigo, Violet
c)
Red, Orange, Yellow, Green, Blue, Indigo, Violet
d)
Red, Orange, Yellow, Grey, Blue, Indigo, Violet
58.
Which color reflects all light?
a)
White
b)
Black
c)
Orange 
d)
Green
59.

Check all the PRIMARY COLOURS.

a)

Red

b)

Magenta

c)

Green

d)

Yellow

e)

Blue

60.

Which of the following is not a primary colour of light?

a)

Red

b)

Yellow

c)

Green

d)

Blue

61.

Check all the SECONDARY COLOURS.

a)

Red

b)

Magenta

c)

Cyan

d)

Yellow

e)

Blue

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