WorksheetsEM & Light
Total questions: 42
Worksheet time: 21mins
Name
Class
Date
1.
Which of the following is an opaque object?
a)
Notebook Paper
b)
Fish tank
c)
Science desk top
d)
Wax Paper
2.
___________ objects allow almost all light to travel through them.
a)
Opaque
b)
Transparent
c)
Translucent
d)
None of the above
3.
Which wave on the EM spectrum is between Visible light and X-rays?
a)
Radio waves
b)
UV rays
c)
Infrared rays
d)
Microwaves
4.
Which of the following items is translucent?
a)
Black paper
b)
Notebook paper
c)
Cardboard
d)
Window
5.
Which of the following waves on the EM spectrum has the longest wavelengths?
a)
Microwaves
b)
Radio waves
c)
Gamma rays
d)
Visible light
6.
Which of the follow wave on the EM spectrum can we see?
a)
Radio waves
b)
Microwaves
c)
Visible Light
d)
X-rays
7.
Which of the following is a source of light?
a)
Firefly
b)
Humans
c)
Plant
d)
Battery
8.
True or False: The sun is a source of light
a)
True
b)
False
9.
How do you measure the wavelength of a wave?
a)
The distance from the resting position to the crest or trough.
b)
The distance between two crests or two troughs.
c)
How many waves can go through a fixed point in a certain amount of time.
d)
None of the above
10.
Which of the following waves on the EM spectrum has the least amount of energy?
a)
Radio waves
b)
Microwaves
c)
Gamma Rays
d)
None of the above
11.
Which of the following waves has the highest frequency? Visible light or Infrared light?
a)
Visible Light
b)
Infrared Light
12.
Which of the following is not a receiver of light?
a)
Plants
b)
Solar Panels
c)
Humans
d)
Stars
13.
True or False: The moon is a source of light
a)
True
b)
False
14.
Which of the following is not a wave on the EM spectrum?
a)
X-rays
b)
Microwaves
c)
Thermal waves
d)
Radio waves
15.
Which color has the shortest wavelength?
a)
Red
b)
Yellow
c)
Blue
d)
Violet
16.
True or False: We would not be able to see if there was no light
a)
True
b)
False
17.
How do you measure the amplitude of a wave?
a)
The distance from the crest to the next crest.
b)
The distance between two waves
c)
The distance from the resting position to the crest or to the trough.
d)
None of the above
18.
True or False: Light waves need mediums in order to travel.
a)
True
b)
False
19.
True or False: Mirrors are the same as lenses.
a)
True
b)
False
20.
True or False: Light travels in a straight line.
a)
True
b)
False
21.
A substance in which a wave can move through is a.....
a)
EM wave
b)
Solid
c)
Plasma
d)
Medium
22.
When light hits a mirror it reflects or refracts?
a)
Reflects
b)
Refracts
23.
True or False: The amount of light refracted depends on the medium in which the wave travels through.
a)
True
b)
False
24.
When light hits a wavy mirror, what happens?
a)
Light will bounce back at different angles, and in different directions.
b)
The light will bounce straight back.
c)
The light will bounce back at the same angle in which it hit the mirror.
d)
None of the above.
25.
Which of the following lenses looks like a football?
a)
Convex
b)
Concave
26.
When light enters a concave lens the light will.....
a)
Converge
b)
Diverge
c)
Reflect
27.
True or False: When light travels through a convex lens their is a focal point
a)
True
b)
False
28.
When looking through a ________ lens, we see the image upside down.
a)
Convex
b)
Concave
29.
True or False: Light going through a concave lens, has a focal point.
a)
True
b)
False
30.
Why do we see a shirt as black?
a)
All colors except black are absorbed.
b)
All colors are reflected.
c)
All colors are absorbed, none are reflected.
d)
None of the above.
31.
When looking through a ______ lens, the image appears smaller but right side up.
a)
Concave
b)
Convex
32.
How do we see items in the classroom?
a)
When light hits an object, it reflects the image back to our eye.
b)
Light is refracted to cause the picture to appear blurry.
33.
True or False: our optic nerve and brain work together to flip the image we see.
a)
True
b)
False
34.
Which of the following waves can kill cancer cells?
a)
X-Rays
b)
Gamma Rays
c)
Radio waves
d)
Microwaves
35.
Which of the following is a receiver of light?
a)
Plants
b)
Stars
c)
Lightbulbs
d)
None of the above
36.
Cataracts can form from overexposure to what EM wave?
a)
Visible Light
b)
X-Rays
c)
Gamma Rays
d)
Infrared
37.
What happens when light hits a smooth mirror?
a)
The light rays come back at the same angle in which they hit the surface.
b)
Light rays refract.
c)
Light rays reflect back in different directions.
d)
None of the above
38.
What grade are you going to get on this test?
a)
1
b)
2
c)
3
d)
4
39.
The number of waves that pass through a fixed point in a certain amount of time is....
a)
Wavelength
b)
Frequency
c)
Amplitude
d)
Speed
40.
Which color has the shortest wavelength?
a)
Blue
b)
Red
c)
Violet
d)
Indigo
41.
When light goes through a lens, light is....
a)
Reflecting
b)
Being absorbed
c)
Refracting
d)
None of the above
42.
Light rays coming together
a)
Diverge
b)
Refract
c)
Converge
d)
Reflect
100 %
