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Fresh Water

lessons 1-4

WordDefinition
habitat An environment that provides the things a specific organism needs to live, grow, and reproduce.
groundwater Water that fills the cracks and spaces in underground soil and rock layers.
water cycle The continual movement of water among Earth's atmosphere, oceans, and land surface through evaporation, condensation, and precipitation.
evaporation The process by which molecules at the surface of a liquid absorb enough energy to change to a gas.
transpiration The process by which water is lost through a plant's leaves.
precipitation Any form of water that falls from clouds and reaches the Earth's surface as rain, snow, sleet, or hail.
tributary A stream or river that flows into a larger river.
watershed The land area that supplies water to a river system.
divide A ridge of land that separates one watershed from another.
reservoir A lake that stores water for human use.
eutrophication The buildup over time of nutrients in freshwater lakes and ponds that leads to an increase in the growth of algae.
permeable Characteristic of a material that contains connected air spaces, or pores, that water can seep through easily.
impermeable A characteristic of materials, such as clay and granite, through which water does not easily pass.
unsaturated zone The layer of rocks and soil above the water table in which the pores contain air as well as water.
saturated zone The area of permeable rock or soil in which the cracks and pores are totally filled with water.
water table The top of the saturated zone, or depth to the groundwater under Earth's surface.
aquifer An underground layer of rock or sediment that holds water.
artesian well A well in which water rises because of pressure within the aquifer.
wetland A land area that is covered with a shallow layer of water during some or all of the year.
Created by: abelan001
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