Earth's Atmosphere Question Preview (ID: 54170)


Earth's Atmosphere. TEACHERS: click here for quick copy question ID numbers.

What gas makes up most of the atmosphere?
a) nitrogen
b) oxygen
c) carbon dioxide
d) ozone

Clouds and weather occur in which layer?
a) thermosphere
b) stratosphere
c) troposphere
d) exosphere

The ozone layer is found in the ...
a) troposphere
b) stratosphere
c) mesosphere
d) thermosphere

What happens in the mesosphere?
a) the jet stream moves
b) clouds form
c) the Northern Lights
d) meteors burn up

What happens to the air pressure as you climb a mountain?
a) air pressure decreases
b) air pressure increases
c) air pressure stays the same
d)

21% of the atmosphere is made up of ..
a) nitrogen
b) oxygen
c) ozone
d) carbon dioxide

Satellites orbit in the ...
a) troposphere
b) mesosphere
c) thermosphere
d) exosphere

What layer comes next? Troposphere, Stratosphere , _________
a) thermosphere
b) mesosphere
c) exosphere
d) outer space

In what layer of the atmosphere do Northern Lights occur?
a) thermosphere
b) mesosphere
c) stratosphere
d) exosphere

Where is air pressure the greatest? (most air pressure)
a) in the clouds
b) at the top of the mountain
c) at the halfway point on a mountain
d) at the bottom of a mountain

Which statement describes the molecules in warm air?
a) air molecules are spread out
b) air molecules are close together
c) air molecules do not move
d) there are more air molecules

What statement describes cold air molecules?
a) air molecules are spread out
b) air molecules are close together
c) there are less air molecules
d) air molecules are moving very fast

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