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Details

Air Pressure
information on Air pressure and barometers
10
Meteorology
9th Grade
04/27/2012

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Cards

Term
Air pressure is caused by
Definition
the weight of the air above us
Term
Higher altitudes have _____ air pressure
Definition
lower
Term
Air pressure is exerted in
Definition
all directions
Term
Air pressure is measured by a
Definition
barometer
Term
The two types of barometers are
Definition
mercury and aneroid
Term
Mercury barometers
Definition
uses liquid mercury to measure air pressure
Term
Aneroid Barometer
Definition
Use a metal coil to measure air pressure
Term
What is the unit of measurement of a Mercury Barometer
Definition
mm of Hg
Term
What is the unit of measure of an Aneroid Barometer?
Definition
millibars
Term
The standard air pressure at sea-level is
Definition
1,013.2 millibars or 760 mm of Hg
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