Fresh Water

Term Definition
Water Cycle The continuous movement of water between the atmosphere, the land, and the oceans
Infiltration The process by which water on the ground surface enters the soil
Evaporation The process by which water changes from a liquid to a gas or vapor
Condensation
The process by which water vapor changes back to a liquid. Responsible for forming clouds. The opposite of evaporation.
Transpiration The process by which moisture is carried through plants from roots to small pores on the underside of leaves, where it changes to vapor and realest to the atmosphere
Precipitation Water released from clouds in the form of rain, freezing rain, sleet, snow, or hail
Groundwater The part that continues downward through the soil until it reaches rock material that is saturated. Water under the surface
Water table The upper surface of groundwater; the upper boundary of the zone of saturation. The boundary between the zone of saturation
Precipitation that flows over land into streams and rivers. This water layer enters the ocean
Artesian Well A well in which water is under pressure; especially one in which the water flows to the surface naturally.
Aquifer A body of permeable rock that can contain or transmit groundwater
Springs
The result of an aquifer being filled to the point that the water overflows onto the land surface
Zone aeration zone nearest the surface gaps between soil are filled with both air and water
Zone of saturation Below the zone of aeration where the gaps are filled with water
Permeable Ability of a substance to allow another substance to pass through especially the ability of a porous rock, sediment, or soil to transmit fluid through pores and cracks
Non permeable Dose not have the ability of a substance to allow another substance to pass through
Porosity Quality of being porous, or full of tiny holes. Allows water to pass through it
Runoff precipitation that flows over land into streams and rivers. This water later enters the ocean

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