Name:     ID: 
 
Email: 

Earth's Atmosphere

Multiple Choice
Identify the choice that best completes the statement or answers the question.
 

 1. 

In general, atmospheric pressure is greatest near Earth's surface and ____ as you move upward away from sea level.
a.
decreases
c.
stays the same
b.
increases
d.
doubles
 

 2. 

The ____ is the source of all energy in our atmosphere.
a.
Sun
c.
Moon
b.
water cycle
d.
Coriolis effect
 

 3. 

Weather happens in which layer of the atmosphere?
a.
troposphere
b.
stratosphere
c.
mesosphere
d.
exosphere
 

 4. 

The ____ is caused by the Earth's rotation.
a.
jet stream
c.
sea breeze
b.
Coriolis effect
d.
land breeze
 

 5. 

There are ____ molecules of air at high elevations, so air pressure is less.
a.
fewer
c.
more
b.
the same number of
d.
no
 

 6. 

The ____ is the layer of the atmosphere nearest to Earth's surface.
a.
exosphere
c.
stratosphere
b.
troposphere
d.
ionosphere
 

 7. 

The air above the ____ rises because it has low density and low pressure.
a.
north pole
c.
equator
b.
south pole
d.
arctic circle
 

 8. 

The ____ contains the highest concentration of ozone.
a.
troposphere
c.
stratosphere
b.
mesosphere
d.
exosphere
 

 9. 

We measure air pressure with a what?
a.
thermometer
c.
hygrometer
b.
baramometer
d.
psychrometer
 

 10. 

We measure air temperature with a what?
a.
thermometer
c.
hygrometer
b.
barometer
d.
psychrometer
 

 11. 

Air pressure is greatest ____ because there are more molecules of air pushing down from above.
a.
at the top of the mountain
c.
in the troposphere
b.
at sea level
d.
in the exosphere
 

 12. 

The atmosphere contains more of which gas?.
a.
water vapor
c.
oxygen
b.
nitrogen
d.
carbon dioxide
 



 
         Start Over