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8th Weather Patterns

Global Weather Patterns: Sun & Energy and Weather

TermDefinition
Front The place where two air masses of different temperatures and pressures meet.
High Pressure An area of higher air pressure that is typically associated with clear weather.
Low Pressure An area of lower air pressure that is typically associated with wet or cloudy weather.
Air Mass A large body of air that has approximately the same temperature and humidity.
Convection The movement of energy through a moving liquid or gas.
Weather A pattern of precipitation, wind, etc. that covers a small area for a short amount of time.
Climate A pattern of temperature and precipitation that remains for a long period of time.
Ocean Current The flow of water within the ocean that moves in a regular pattern.
El Niño A periodic change in the location of warm and cool surface waters in the Pacific Ocean.
Deep Ocean Current The movement of water far below the surface of the ocean.
Surface Current The flow of water that occurs near or at the surface of the ocean.
Hurricane A low pressure tropical storm that forms over warm ocean water.
Greenhouse Effect Heat trapped close to Earth's surface due to greenhouse gases.
Greenhouse Gases Gases that act like a blanket around Earth.
Ozone Layer Protects Earth from harmful UV radiation.
Precipitation Water that returns to the surface of the Earth during water cycle.
Atmosphere Air surrounding the Earth.
Hydrosphere Solid, liquid, and gas forms of water on Earth.
Cold Front Fast moving cold air mass colliding with slow moving warm air mass. Cold air will push out warm air.
Warm Front Slow moving warm air mass moves over cold air mass. Warm air mass stays behind after cold air mass leaves.
Stationary Front Weak cold and weak warm front come together and neither moves.
Occluded Front When two fronts (not air masses) collide.
Created by: NEISDSci
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