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WorksheetsLight and the electromagnetic spectrum
Total questions: 41
Worksheet time: 30mins
Name
Class
Date
1.
True or false: as you move along the spectrum, left to right, the wavelengths decrease in size (get smaller)
a)
true
b)
false
2.
Which section of the spectrum is the ONLY one we can see?
a)
X-rays
b)
Visible Light
c)
Gamma Rays
d)
Ultraviolet Rays
3.
Put the visible light colors in order from longest wavelength to shortest wavelength
a)
Violet, Indigo, Blue, Green, Orange, Yellow, Red
b)
Red, Yellow, Green, Orange, Violet, Blue, Indigo
c)
Red, Orange, Yellow, Green, Blue, Indigo, Violet
4.
Which of the following electromagnetic waves is given off as heat?
a)
Radio Waves
b)
Infrared Rays
c)
Visible Light
d)
Gamma Rays
5.
The _______________ determines the color of visible light.
a)
wavelength
b)
speed
c)
amplitude
d)
light
6.
How are electromagnetic waves different from other waves?
a)
They have very short wavelengths
b)
They transmit energy instead of matter
c)
They can travel through a vacuum
d)
They can change direction by reflection
7.
Which color has the highest frequency?
a)
red
b)
orange
c)
green
d)
blue
8.
Which color has the least amount of energy?
a)
red
b)
orange
c)
green
d)
blue
9.
All electromagnetic waves have the same...
a)
frequency
b)
speed
c)
wavelength
d)
energy
10.
How much of the electromagnetic spectrum is visible?
a)
All of it
b)
None of it
c)
Most of it
d)
Only a small part
11.
EM waves are always____________
a)
Transverse
b)
Compression
c)
Longitudinal
d)
Seismic
12.
EM waves________________travel through space.
a)
Never
b)
Cannot
c)
Can
d)
Wish they could
13.
The acronym (letters) used to remember visible light is____________
a)
KTPERRY
b)
ROYGBIV
c)
DOGPOUND
d)
ROMERO
14.
______ waves are vibrations in electrical and magnetic fields.
a)
Sound
b)
Mechanical
c)
Electromagnetic
d)
Compression
15.
EM waves ________ a medium.
a)
require
b)
don't require
c)
can have
d)
sometimes have
16.
EM waves _______ travel the same speed in a vacuum.
a)
never
b)
sometimes
c)
always
d)
can
17.
This wave also means "below red."
a)
microwaves
b)
infrared
c)
gamma ray
d)
X-Ray
18.
EM waves with wavelengths between those of infrared and ultraviolet waves are _______.
a)
microwaves
b)
visible light
c)
x-rays
d)
gamma rays
19.
Which two gases make up the majority of the Earth's gases?
a)
oxygen and methane
b)
oxygen and propane
c)
oxygen and nitrogen
d)
benzene and nitrogen
20.
Which gas in our atmosphere is most abundant?
a)
Argon
b)
Oxygen
c)
Nitrogen
d)
Carbon Dioxide
21.
What is the percentage of oxygen in Earth's atmosphere?
a)
1%
b)
21%
c)
78%
d)
90%
22.
This layer is where weather occurs.
a)
troposphere
b)
thermosphere
c)
exosphere
d)
stratosphere
23.
The layer of the atmosphere that protects us from the Sun the most is called the ____________.
a)
ozone
b)
troposphere
c)
mesosphere
d)
exosphere
24.
The basic composition of air can consist of:
a)
Nitrogen 21%, Oxygen 78%, Trace Gases 1% of the Earth's atmospheric composition.
b)
Nitrogen 1%, Oxygen 78%, Trace Gases 21% of the Earth's atmospheric composition.
c)
Nitrogen 78%, Oxygen, 21%, Trace Gases 1% of the Earth's atmospheric composition.
d)
Nitrogen .001%, Oxygen 78%, Trace Gases 21.9 % of the Earth's atmospheric composition.
25.
What percentage of our atmosphere is made up of other gases such as argon, water vapor, and carbon dioxide?
a)
1%
b)
21%
c)
78%
d)
90%
26.
Which of the following is the correct order of the atmosphere layers from Earth to space?
a)
troposphere, stratosphere, mesosphere, thermosphere, exosphere
b)
troposphere, mesosphere, thermosphere, exosphere, stratosphere
c)
thermosphere, stratosphere, mesosphere, troposphere, exosphere
d)
troposphere, stratosphere, mesosphere, exosphere, thermosphere
27.
Where would the air pressure be the highest?
a)
On the ground
b)
In a plane
c)
On the moon
d)
On a mountain
28.
This is the source of all heat energy in our atmosphere
a)
Moon
b)
Sun
c)
Water
29.
The composition of the air is 78%
a)
Oxygen
b)
Argon
c)
Carbon Dioxide
d)
Nitrogen
30.
What does ozone in the atmosphere do?
a)
it absorbs and traps heat energy
b)
it provides a place for water vapor to condense
c)
it protects against harmful uv radiation
d)
it helps plants grow
31.
The layer of gases that surrounds the Earth is known as its
a)
lithosphere
b)
hydrosphere
c)
atmosphere
d)
biosphere
32.
Which gas is used for respiration by living things?
a)
oxygen
b)
nitrogen
c)
carbon dioxide
d)
ozone
33.
Which is NOT a description of the Troposphere?
a)
It is the closest layer to the Earth
b)
It is where weather occures
c)
The ozone is found here
d)
It is the layer we live in
34.
How does the atmosphere keep the Earth's surface warm?
a)
certain gasses absorb and emit infrared radiation
b)
Certain gasses absorb and emit ultraviolet radiation
c)
Ozone absorbs and emits infrared radiation
d)
Clouds absorb and emit ultraviolet radiation
35.
Which layer of the Earth's atmosphere contains a gas that absorbs ultraviolet radiation?
a)
Troposphere
b)
Mesosphere
c)
Thermosphere
d)
Stratosphere
36.
Which of these is true of the air in Earth's atmosphere?
a)
Air contains oxygen gas, which supports living things
b)
Air density and temperature are the same at all altitudes
c)
Air reflects most of the Sun's radiation back into space
d)
The amount of water vapor in the air never varies
37.
What percentage of our atmosphere is made up of other gases such as argon, water vapor, and carbon dioxide?
a)
1%
b)
21%
c)
78%
d)
90%
38.
In what layer of earth's atmosphere do meteoroids burn up?
a)
Mesosphere
b)
Thermosphere
c)
Tropsphere
d)
Stratosphere
39.
What is needed for animals and humans to survive?
a)
Oxygen
b)
Carbon Dioxide
c)
Carbon Monoxide
40.
What protects us from dangerous ultraviolet radiation from the sun?
a)
Ozone
b)
UV Radiation
c)
Mr. Polonsky
d)
Carbon Dioxide
41.
Which of the following is a benefit of the atmosphere to make life possible?
a)
It burns up meteors before a meteor reaches the earth's surface.
b)
It provides a means for cellphone communication
c)
It changes the speed of light as the energy of a wave passes through dense regions of the atmosphere.
d)
It allows us to see into space.
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