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4th Grade Unit 7

DefinitionTerm
air that surrounds the Earth; made of a mixture of gases Atmosphere
the process of changing from a gas to a liquid Condensation
the process of changing from a liquid to a gas Evaporation
water that falls to the Earth’s surface as rain, snow, sleet, or hail Precipitation
a tool for collecting and measuring the amount of precipitation that falls Rain Gauge
increasing water levels in ponds, lakes, streams and rivers, glaciers, snowpack, or water run-off Accumulation
how fast and in what direction the air is moving Wind Conditions
a weather instrument used to show the direction of the wind; often ornamental Wind Vane
Created by: Region18ESC
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