WorksheetsComposition of the Atmosphere
Total questions: 10
Worksheet time: 6mins
Name
Class
Date
1.
True or False: As you increase in altitude, the temperature of the air decreases because the air molecules become less dense.
a)
True
b)
False
2.
Which gas is represented by Gas #1?
a)
Oxygen
b)
Carbon dioxide
c)
Argon
d)
NItrogen
3.
Which of the following is found in our atmosphere?
a)
water vapor
b)
dust and pollen
c)
gases
d)
all of the above
4.
Which gas makes up the largest component of the Earth’s atmosphere?
a)
argon (Ar)
b)
oxygen (O2)
c)
nitrogen (N2)
d)
carbon dioxide (CO2)
5.
Generally, as altitude increases, temperature ___.
a)
Increases
b)
Decreases
c)
Fluctuates
d)
Stays constant (the same)
6.
Which layer of the atmosphere has the highest density of gas molecules?
a)
Exosphere
b)
Mesosphere
c)
Stratosphere
d)
Thermosphere
e)
Troposphere
7.
What is the percentage of oxygen in Earth's atmosphere?
a)
1%
b)
21%
c)
78%
d)
90%
8.
What is the percentage of nitrogen in Earth's atmosphere?
a)
1%
b)
21%
c)
78%
d)
90%
9.
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
10.
The composition of air consists of __________ key components.
a)
seven
b)
three
c)
ten
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