Atmospheric Pressure
Fact or Fiction Quiz
Significance & Variations of Atmospheric Pressure
Pressure = cumulative
mass of atmosphere
Pressure varies - use
barometer
to measure changes
Standard sea level pressure
29.92 " [76 cm or 760 mm]
1013.2 millibars
Vertical Pressure
altitude
decreases pressure
Mt. Everest
1/3 pressure
water boils at lower temperature fewer air molecules
gravitational pull increases density at lower elevations
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