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Weather!

TermDefinition
Atmosphere A mixture of gases that surrounds a planet or moon
Air pressure The measure of the force with which air molecules push on a surface.
Wind 💨 The movement of air causes by difference in air pressure 💨
The Coriolis effect The Coriolis effect in the northern hemisphere causes winds to look like they are curving west or east
Land breeze Warm air rises, this causes air pressure. At night it gets colder and moves towards the ocean. This is a Land Breeze.
Sea breeze The cold air flows to the land, this is a sea breeze.
Air mass
A large body of air where temperature and moisture are similar throughout.
Continental Forms over land; dry
Maritime Forms over water; wet
Tropical Develops over the tropics; warm.
Polar Forms over the polar regions; cold.
Warm Front A warm front forms when warm air moves over cold, denser air.
Cold Front A cold from forms when cold air moves under warm air.
Occluded Front A occluded Front occurs when a warm air mass is caught between two cold ones.
Stationary Front A stationary front forms when a cold air mass meets a warm one.
Hurricane A severe storm that develops over tropical oceans and has very strong winds.
Thunderstorm A usually brief heavy storm that contains rain, winds, thunder and lightning
Tornado A destructive rotating column of air that has very high wind speeds.
Lighting A electric discharge that takes place between two oppositely charged surfaces.
Greenhouse effect Th warming of the surface and lower atmosphere of the earth.
Polar easterlies Winds that blow between 30 to 90 inches latitude prevailing from east to west in both hemispheres.
Westerlies Winds that blow between 30 to 60 inches latitude prevailing from east to west in both hemispheres.
Trade winds Winds that blow 30 inches latitude from the earths equator
Popular Physical Science sets

 

 



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