Atmosphere Air Pressure And Density Question Preview (ID: 44689)
Atmosphere And Air Pressure/Density.
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What is air pressure?
a) The weight or force of air pressing against a given area
b) The volume of air pressing against a given area
c) The fixed amount of air pressing against a given area
d)
As altitude increases, air pressure
a) increases
b) decreases
c)
d)
Would the air pressure be higher or lower at the top of Mount Everest when compared to sea level?
a) lower
b) higher
c)
d)
As air pressure increases, air molecules become more or less dense?
a) less
b) more
c)
d)
Density measures
a) how tightly packed molecules are in a given space.
b) the amount of air pressing on an object
c) the pull of gravity on an object.
d)
The densest layer of the atmosphere is
a) mesophere
b) exopshere
c) troposphere
d) stratosphere
As altitude increases, air density
a) increases
b) decreases
c) stays the same
d)
Less dense air has
a) lower air pressure
b) higher air pressure
c)
d)
The least dense layer of the atmosphere is the
a) troposphere
b) mesophere
c) exosphere
d) stratosphere
The most abundant gas in the atmosphere is
a) oxygen
b) helium
c) hydrogen
d) nitrogen
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