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WorksheetsGrade-7 Layers of the atmosphere
Total questions: 17
Worksheet time: 42mins
Name
Class
Date
1.
This gas makes up 21% of the atmosphere
a)
ozone
b)
oxygen
c)
nitrogen
d)
water vapor
2.
The _____ protects us from the harmful UV rays of the sun.
a)
Troposphere
b)
Ozone Layer
c)
Exosphere
d)
Stratosphere
3.
Where satellites orbit.
a)
troposphere
b)
thermosphere
c)
exosphere
d)
mesosphere
4.
As you go higher in the troposphere, the temperature _______________.
a)
decreases
b)
increases
c)
stays the same
d)
gets very hot
5.
We live in the __________________layer, a level of the atmosphere.
a)
Troposphere
b)
Stratosphere
c)
Mesosphere
d)
Exosphere
6.
What absorbs ultraviolet rays in the atmosphere?
a)
troposphere
b)
stratosphere
c)
ozone layer
d)
greenhouse gases
7.
What are the two most common gases in the atmosphere?
a)
Nitrogen and oxygen
b)
Oxygen and carbon dioxide
c)
Carbon Dioxide and methane
d)
Nitrogen and carbon dioxide
8.
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
9.
Which of these layers is farthest from Earth?
a)
thermosphere
b)
stratosphere
c)
mesosphere
d)
exosphere
10.
What is the greenhouse effect?
a)
The warming of a planet due to trapped radiation.
b)
The cooling of Earth due to air pollution.
c)
The heating of a solid, such as a rock.
11.
Where weather and clouds occurs.
a)
stratosphere
b)
thermosphere
c)
troposphere
d)
mesosphere
12.
Which layer of the atmosphere contains the highest percentage of water vapor?
a)
exosphere
b)
mesosphere
c)
troposphere
d)
stratosphere
13.
Where do we live?
a)
stratosphere
b)
thermosphere
c)
troposphere
d)
mesosphere
14.
Which layer is the outermost layer?
a)
troposphere
b)
thermosphere
c)
exosphere
d)
mesosphere
15.
This is the layer where most commercial jet airliners fly.
a)
Troposphere
b)
Stratosphere
c)
Mesosphere
d)
Thermosphere
16.
The most common gas in the atmosphere (78%).
a)
Nitrogen
b)
Oxygen
c)
Carbon Dioxide
d)
Trace gases
17.
Located CLOSEST to Earth's surface.
a)
Troposphere
b)
Stratosphere
c)
Mesosphere
d)
Thermosphere
e)
All of the above.
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