Worksheets4th Grade Light Unit
Total questions: 15
Worksheet time: 8mins
Name
Class
Date
1.
What is light energy that can be seen?
a)
Visible Light
b)
Visible Spectrum
c)
The rainbow
d)
none of the above
2.
What is a wavelength?
a)
Something you find in the ocean
b)
the distance from a point of a wave to the opposite point on the next wave
c)
When you jump up and down in your pool and you create a wave
d)
the distance from a point of a wave to the same point on the next wave
3.
How does light energy move?
a)
In a straight line
b)
In different directions
4.
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
5.
Does not allow light to pass through it
a)
Transparent
b)
Translucent
c)
Opaque
d)
None of the above
6.
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
7.
To take in
a)
reflect
b)
absorb
c)
transmit
8.
To pass through
a)
Transmit
b)
Absorb
c)
Reflect
9.
To bounce back
a)
Transmit
b)
Absorb
c)
Reflect
10.
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
11.
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
12.
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
13.
Why does light bend?
a)
It ran into a wall
b)
It reflects off of a wall and hits another object
c)
It must travel through more than one object so it changes its speed and direction
d)
Sometimes it feels like stretching
14.
A lens that is thinner at the edges and thicker in the middle?
a)
Convex
b)
Concave
15.
A lens that is thicker at the edges and thinner in the middle?
a)
Convex
b)
Concave
100 %
