FOSS Air Pressure and Wind Flashcards
QUIZ DATE: 10/30/24
Air pressure
The force exerted by air.
Barometer
A device used to measure air pressure.
Kinetic energy
The energy of motion
Density
The compactness of molecules in something
Matter
Anything that has mass and takes up space.
Vacuum
A space devoid of matter
Altitude
The height above sea level
Equilibrium
When air pressure is balanced
Isobar
A smooth line on a map, connecting areas with the same air pressure.
Millibar
The unit to measure air pressure. >1,013 has nice weather, whereas <1,013 has poor weather. 1,000 is the average at sea level.
High pressure system
An air pressure system >1,013MB associated with clear and blue skies, sunny, and hot weather. One is in the west of the US.
Low pressure system
An air pressure system <1,013MB associated with rain, snow, cloudy skies, and more. One is in the east of the US.
In a high pressure system, surface winds blow _______ the center.
Out from
In a low pressure system, surface winds blow _______ the center.
In toward
As you move in toward the center of a high pressure system, the air pressure ____. This goes vice versa.
Increases
