NEW
Font size
S
M
L
XL
WorksheetsLight and the EMS - Review
Total questions: 35
Worksheet time: 24mins
Name
Class
Date
1.
What is the main source of light energy on Earth?
a)
chemical change
b)
electricity
c)
the sun
2.
When light bounces off an object, it is called_____________.
a)
reflection
b)
refraction
c)
absorbing
3.
To "soak in" light or colors means to ___________ them.
a)
reflect
b)
refract
c)
absorb
4.
What does it mean to refract?
a)
bounce off
b)
to bend
c)
curve outward
d)
reflect
5.
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
6.
What happens when light hits a mirror?
a)
it makes a color
b)
it reflects
c)
it makes a rainbow
d)
it passes through
7.
What happens when an object is opaque?
a)
all light is able to pass through
b)
no light is able to pass through
c)
some light is able to pass through
d)
it is black
8.
How does light travel?
a)
in a wavy path
b)
in a straight path
c)
in a zig zag path
9.
Is your laptop opaque?
a)
Yes
b)
No
10.
What does transparent mean?
a)
some light is able to pass through
b)
no light is able to pass through
c)
all light is able to pass through
11.
What is a prism?
a)
a transparent object that separates white light
b)
an opaque object that appears black
c)
a translucent object
12.
Why do we see objects as black?
a)
They absorb all the light
b)
They reflect all the light
c)
They absorb some light and reflect
13.
Which is translucent?
a)
tissue paper
b)
air
c)
wood
d)
clear plastic
14.
Which is transparent?
a)
a wooden fence
b)
clean water
c)
aluminum foil
d)
a purple balloon
15.
The bending of light as it moves from one material to another is ---
a)
refraction
b)
reflection
c)
translucent
d)
absorbed
16.
What is construction paper?
a)
transparent
b)
translucent
c)
opaque
17.
Light waves need matter to travel.
a)
True
b)
False
18.
Which of these is an example of visible light?
a)
X-rays
b)
rainbow
c)
microwaves
d)
radio waves
19.
The moon is a source of light.
a)
True
b)
False
20.
What is true about the visible light and the EM spectrum?
a)
Visible light and EM spectrum are different names for the same thing.
b)
Visible light is half the EM spectrum.
c)
Visible light is a small part of the EM spectrum.
d)
Visible light and the EM spectrum overlap.
21.
Which electromagnetic waves have the highest frequencies and the shortest wavelengths?
a)
microwaves
b)
visible light
c)
gamma rays
22.
Which electromagnetic waves are used in ovens and cell phone communications?
a)
Infrared rays
b)
ultraviolet rays
c)
microwaves
23.
Which type of waves are used in broadcasting?
a)
radio waves
b)
infrared rays
c)
x-rays
24.
How much of the electromagnetic spectrum is made up of visible light?
a)
only a small portion
b)
a very l;arge portion
c)
about half
25.
Which electromagnetic waves help doctors detect broken bones inside your body?
a)
gamma rays
b)
x-rays
c)
ultraviolet rays
26.
Which electromagnetic waves are used in devices such as heat lamps & TV remote controls?
a)
ultraviolet rays
b)
microwaves
c)
infrared rays
27.
What electromagnetic wave do humans emit as heat energy?
a)
infrared light
b)
ultraviolet light
c)
visible light
d)
microwaves
28.
The human eye is only capable of seeing which electromagnetic wave?
a)
Infrared Light
b)
Ultraviolet Light
c)
Visible Light
d)
All of the above
29.
This type of electromagnetic wave has the most energy and therefore can be very dangerous.
a)
Microwaves
b)
Radio Waves
c)
X Rays
d)
Gamma Rays
30.
The blue section of the wave is measuring _________________.
a)
wavelength
b)
crest
c)
trough
d)
amplitude
31.
A shadow is created by the....
a)
absence of light.
b)
absence of waves.
c)
absence of color.
d)
blocking of sound.
32.
The sky is blue because...
a)
blue is the color most scattered or reflected by our atmosphere.
b)
red is the color most scattered or reflected by our atmosphere.
c)
blue is the color most absorbed by our atmosphere.
d)
blue is complimentary to orange.
33.
What colors are in the rainbow?
a)
Red,orange,yellow,green,blue,indigo,purple
b)
Red,orange,yellow,green,blue,purple
c)
red,orange,orange,yellow,blue,purple
d)
red,orange,yellow,green,blue,blue,purple
34.
Which images are opaque?
a)
A & C
b)
A,C,E, & F
c)
D, E, & F
d)
A & E
35.
What is this called?
a)
refraction
b)
reflection
c)
reconstroction
d)
retraction
Reset
