5th grade Science Vocabulary

Term Definition
air mass a large body of air that has the same temperature and level of humidity throughout
air pressure the weight of the air in an area
barometer weather instrument used to measure air pressure
climate the average weather conditions of an area over a very long period of time
condensation the changing of a substance from a gas to the liquid state
cumulus clouds of middle altitude, large, puffy, and sometimes creative shapes
polar zone characterized by a frigid climate with harsh winter temperatures , located near the Earth's polar regions
run-off rain that lands on top of a mountain, travels down to lower ground and joins larger bodies of water
troposhere layer of the atmosphere closest to the earth, all weather happens here
valley breeze the movement of air created by the warm air rising and flowing up the slope of a mountain

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