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WorksheetsLayers of the Atmosphere
Total questions: 25
Worksheet time: 28mins
Name
Class
Date
1.
Which gas in our atmosphere is most abundant?
a)
Argon
b)
Oxygen
c)
Nitrogen
d)
Carbon Dioxide
2.
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%
3.
This layer is where weather occurs.
a)
troposphere
b)
thermosphere
c)
exosphere
d)
stratosphere
4.
What are the 2 most abundant gases in Earth's atmosphere?
a)
carbon dioxide and oxygen
b)
carbon dioxide and nitrogen
c)
nitrogen and oxygen
d)
nitrogen and hydrogen
5.
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
6.
Which layer is the coldest?
a)
Troposphere
b)
Stratosphere
c)
Mesosphere
d)
Thermosphere
7.
Describe how the ozone layer protects the earth.
a)
Absorbs solar radiation, Protects Earth from UV Rays, and emits heat
b)
Ozone in the lower atmosphere is a pollutant
8.
Which layer of the atmosphere do most satellites orbit the Earth?
a)
Stratosphere
b)
Mesosphere
c)
Exosphere
d)
Ionosphere
9.
Which layer of the atmosphere contains the ozone layer?
a)
Mesosphere
b)
Stratosphere
c)
Ionosphere
d)
Exosphere
10.
Which layer has the hottest molecules?
a)
Thermosphere
b)
Mesosphere
c)
Exosphere
d)
Stratosphere
11.
Which layer protects humans from most of the harmful UV radiation received from the sun?
a)
Clouds
b)
Exosphere
c)
Ionosphere
d)
Ozone Layer
12.
The layers of the atmosphere are classified according to changes in
a)
temperature and air pressure
b)
altitude and air quality
c)
humidity and temperature
d)
air pressure and oxygen
13.
A mixture of gases and particles that surround a planet, held by gravity is called the-
a)
greenhouse effect
b)
atmosphere
c)
jet stream
d)
blanket
14.
Out of the following, choose the outermost layer of the atmosphere-
a)
Troposphere
b)
Thermosphere
c)
Stratosphere
d)
Mesosphere
15.
Which layer has the highest air pressure?
a)
troposphere
b)
stratosphere
c)
mesosphere
d)
thermosphere
16.
Which layer of the atmosphere has the least amount of oxygen?
a)
thermosphere
b)
exosphere
c)
ionosphere
d)
mesosphere
17.
What happens to air pressure when you go up the atmosphere?
a)
decreases
b)
increases
c)
stays the same
d)
changes
18.
This gas makes up 21% of the atmosphere
a)
ozone
b)
oxygen
c)
nitrogen
d)
water vapor
19.
This layer is where weather occurs.
a)
troposphere
b)
thermosphere
c)
exosphere
d)
stratosphere
20.
As you go higher in the troposphere, the temperature _______________.
a)
decreases
b)
increases
c)
stays the same
d)
gets very hot
21.
What is the function of the ozone layer?
a)
to allow UV rays to get to Earth
b)
to block UV rays from getting to Earth
c)
To keep oxygen in
d)
to allow meteors to get to Earth
22.
Layer of the atmosphere furthest from Earth's surface:
a)
troposphere
b)
exosphere
c)
mesosphere
d)
stratosphere
23.
Which two describe the layer: Troposphere
a)
Layer closest to earth
b)
The hottest layer
c)
Layer farthest from earth
d)
Where weather occurs
24.
Which layer of the atmosphere do we live in?
a)
troposphere
b)
mesosphere
c)
thermosphere
d)
exosphere
25.
Which layer is known to have "shooting stars"?
a)
mesosphere
b)
stratosphere
c)
thermosphere
d)
exosphere
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