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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 height of atmosphere pushing down on an area
C
a force that results from the weight of the 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
higher air pressure
B
2 of the choices
C
lower air pressure
D
greater volume/mass
3) Air pressure is measured with a
A
hygrometer
B
thermometer
C
odometer
D
barometer
4) A __________ barometer has____________
A
mercury; no liquid
B
2 of the choices
C
mercury; liquid
D
aneroid; liquid
5) Altitude is
A
2 of the choices
B
elevation
C
average level of the surface of the oceans
D
distance above sea level
6) Air pressure __________ as altitude ___________
A
decreases; decreases
B
2 of the choices
C
increases; decreases
D
increases; increases
7) The gas molecules are ______________ at a _______ altitude
A
far apart; high
B
close together; high
C
slow; low
D
quick; low
8) You become short of breath at high altitudes because the air is
A
none of the choices
B
less dense at the top of a mountain
C
more 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
thinner the walls of the barometer
D
higher the mercury rises
10) Why doesn't air pressure crush a desk?
A
the air pushing down is greater than the air pushing up
B
the only air is pushing up on the desk
C
the air pushing down is less 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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