Fundamentals
Air pressure is caused by this property of air that proves its not "empty"
Weight/Mass
Warm air generally creates ____ pressure.
Air pressure is the highest at this location.
Sea level
Wind moves from areas of _____ pressure to _______ pressure.
high to low
Atmospheric pressure
The SI unit used to measure air pressure
Pascal (Pa)
WHen air is heated, its particles move _____ and spread ____.
Faster, and farther apart
As altitude increases, air pressure ____.
Clear skies are usually linked to _____ type of pressure system.
High pressure
A suction cup sticks because air pressure outside is ______ than inside.
Greater/higher
1 atm
Cold air is denser because its molecules move at ______ speed.
A slower speed
People climbing Mount Everest carry oxygen because air pressure is too ____.
Cloud formation is commonly associated with _____ pressure system.
low pressure
Higher/greater
The instrument used to measure atmospheric pressure
Barometer
As temperature increases in a closed container, pressure will ____.
Increase
The layer of atmosphere where weather occurs is called _____.
A sudden drop in air pressure can indicate _____.
Storm/cyclone/hurricane
Airplanes fly partly because faster air above the wing creates _____ pressure.
Lower pressure
Air pressure is the result of air molecules doing this to surfaces.
Colliding with/pushing against surfaces
The relationship with temperature and pressure in gases is explained by this gas law.
Gay-Lussac's Law
Air pressure decreases with height because ______.
There is less air/air molecules above you.
______ line on a weather map connects points of equal air pressure.
Isobar
A pressure cooker cooks food fast because increased pressure raises the _____ of water.