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General Science Review 7.2
Test Description: Air Pressure
Instructions: Answer all questions to get your test result.
1) Air pressure is
A
a force that results from the energy of the atmosphere spreading out in an area
B
a force that results from the weight of the atmosphere pushing down on an area
C
a force that results from the height of atmosphere pushing down on an area
D
a force that results from the volume of atmosphere spreading out in an area
2) Denser air has a
A
greater volume/mass
B
lower air pressure
C
higher air pressure
D
2 of the choices
3) Air pressure is measured with a
A
thermometer
B
barometer
C
hygrometer
D
odometer
4) A __________ barometer has____________
A
mercury; no liquid
B
aneroid; liquid
C
2 of the choices
D
mercury; liquid
5) Altitude is
A
distance above sea level
B
average level of the surface of the oceans
C
2 of the choices
D
elevation
6) Air pressure __________ as altitude ___________
A
increases; decreases
B
decreases; decreases
C
2 of the choices
D
increases; increases
7) The gas molecules are ______________ at a _______ altitude
A
close together; high
B
quick; low
C
slow; low
D
far apart; high
8) You become short of breath at high altitudes because the air is
A
more dense at the top of a mountain
B
none of the choices
C
less dense at the top of a mountain
D
less dense at the bottom of a mountain
9) The greater the air pressure in a mercury barometer, the
A
thicker the walls of the barometer
B
lower the mercury rises
C
higher the mercury rises
D
thinner the walls of the barometer
10) Why doesn't air pressure crush a desk?
A
the air pushing down is less than the air pushing up
B
the only air is pushing up on the desk
C
the air pushing down is greater than the air pushing up
D
the air pushing down is balanced by the air pushing up
*select an answer for all questions
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