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Science Ch 4

Earth's Water

TermDefinition
fresh water water that has little or no salt
precipitation droplets of water that form in the atmosphere
ocean a large body of salt water
evaporation the changing of a liquid into gas
water vapor water in the form of an invisible, odorless gas
condensation the changing of a gas into liquid
water cycle the continuous movement of water between Earth's surface and the air
reservoir a human-made lake that is used to store water
dam a barrier that prevents the normal flow of water
groundwater water beneath Earth's surface
aquifer an underground layer of rock that can hold water
watershed the area where water drains into a river
flood the overflow of water from the banks of a body of water onto the land
drought a long period of dry weather
pollute to make dirty or unclean
reclamation making something usable again
aqueduct a pathway built by people to move water long distances
conserve save something to be sure there is enough
treatment plant a place where water is cleaned
Created by: Our Class
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