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WorksheetsLight Review 4th Grade
Total questions: 50
Worksheet time: 38mins
Name
Class
Date
1.
Which images are opaque?
a)
A & C
b)
A,C,E, & F
c)
D, E, & F
d)
A & E
2.
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
3.
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
4.
Smooth surfaces _______ a lot of light.
a)
reflect
b)
bend
c)
absorb
d)
twist
5.
Why do we see objects as white?
a)
They absorb all light
b)
They reflect all light
c)
They absorb some light and reflect some light
6.
Another name for light bending is ....
a)
Reflaction
b)
Absorbing
c)
Refraction
d)
mirror
7.
Opaque means...
a)
No light passes through it
b)
All light passes through it
c)
Some light passes through it
8.
When light passes through a prism the light is bent and breaks into the visible spectrum. What color bends the most and has the shortest wavelength?
a)
Red
b)
Yellow
c)
Blue
d)
Violet
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 term means to bounce off the surface of something?
a)
Refract
b)
Absorb
c)
Reflect
d)
prism
12.
Band of color in a rainbow, or from a light passing through a prism.
a)
Spectrum
b)
Space
c)
Prism
d)
Refraction
13.
The bending of waves as they pass from one substance into another.
a)
Reaction
b)
Reflection
c)
Refraction
d)
Repost
14.
Blurs light as it passes through
a)
Transparent
b)
Translucent
c)
Opaque
d)
Refraction
15.
Allows most light through
a)
eflection
b)
Refraction
c)
Translucent
d)
Transparent
16.
Transfer of energy when a wave disappears into a surface
a)
Transparent
b)
Refraction
c)
Reflection
d)
Absorption
17.
White light is made up of _________________ colors.
a)
10
b)
3
c)
7
d)
70
18.
Which color absorbs all light?
a)
White
b)
Black
c)
Orange
d)
Green
19.
Which color reflects all light?
a)
White
b)
Black
c)
Orange
d)
Green
20.
When light shines through a prism it creates a ________________
a)
colors
b)
ROY G. BIV
c)
spectrum
d)
electromagnetic wave
21.
Material that allows light to pass through allowing you to see "clearly" to the other side
a)
opaque
b)
translucent
c)
transparent
22.
Light is a form of
a)
energy
b)
radiation
c)
reflection
23.
Wax paper or a foggy window is an example of what type of material.
a)
transparent
b)
translucent
c)
opaque
24.
Light travels in a straight line
a)
True
b)
False
25.
Visible light is ...
a)
Light bulb
b)
sun
c)
light that we can see with our natural eye
d)
fire
26.
What is light?
a)
Is all around us, and we need it to see.
b)
Is a force that we need.
27.
Light is a KIND of ENERGY.
a)
True
b)
False
28.
All light has a SOURCE, or something it comes from.
a)
True
b)
False
29.
Which are the two type of light sources?
a)
Artificial and Natural
b)
Natural and Invented
c)
Artificial and Not Artificial
d)
All of them
30.
Which of these are examples of NATURAL sources of light?
a)
Sun
b)
Stars
c)
Lightning
d)
ALL of them
31.
Which of these are examples of ARTIFICIAL sources of light?
a)
Lightbulbs
b)
Neon signs
c)
Televisions
d)
ALL of them
32.
Which of these is our MAIN (most important) source of light?
a)
Lightbulbs
b)
The Sun
c)
Fire
d)
All of them
33.
How does light travel/move?
a)
In ONE direction, VERY fast
b)
In ALL directions, VERY fast
34.
What happens when light hits an object?
a)
Some of the light jumps in different directions
(bounces)
(bounces)
b)
Some of the light gets absorbed by the object.
c)
Some of the light bounces back to your eye
d)
ALL of them.
35.
Which objects REFLECT more light?
a)
Shiny objects
b)
Dull objects (not shiny)
36.
Through which objects does light pass MORE?
a)
Transparent objects, like glass windows
b)
Opaque objects (not transparent), like a plant
37.
A cut piece of clear glass or plastic in the form of a triangle or other geometric shape.
a)
Person
b)
Prison
c)
Prism
d)
Preacher
38.
Allows little to no light through.
a)
Transparent
b)
Translucent
c)
Opal
d)
Opaque
39.
The number of vibrations a wave makes in a given amount of time is a
a)
Absorption
b)
Medium
c)
Frequency
d)
Photon
40.
What are the colors of the visible spectrum in order?
a)
ROY B GIV
b)
BOY G RIV
c)
ROY G BIV
d)
GOY B RIV
41.
What is white light?
a)
No light
b)
invisible light
c)
man made light
d)
visible light
42.
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.
43.
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.
44.
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.
45.
Why do we see a GREEN leaf?
a)
because humans color it that color
b)
because it absorbs green and reflects all the other colors
c)
it absorbs every color except for green
46.
What falls from the sky & acts like a prism?
a)
snow
b)
rain
c)
sleet
47.
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
48.
The color you see is the color that is ___.
a)
reflected
b)
absorbed
49.
Based on the T-shirt pictured, which is true?
a)
All colors are absorbed
b)
All colors are reflected
c)
Some colors are reflected and some are absorbed
d)
A black T-shirt would keep someone 'cooler' in the summer than a white T-shirt
50.
A lightening bug is an artificial light source and a flashlight is a natural light source.
a)
True
b)
False
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