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39 Cards in this Set
- Front
- Back
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the force of attraction between particles of the same kind
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cohesion
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the greater force acting on particles on the surface of a liquid
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surface tension
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the force of attraction between unlike bodies that holds them together
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adhesion
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(hydrologic cycle) the continuous cycle that moves water from the atmosphere to the earth's surface and back to the atmosphere
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water cycle
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the changing of a substance from a liquid to a gas
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evaporation
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the loss of water by plants
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transpiration
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the changing of a substance form a gas to a liquid
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condensation
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water that falls from the atmosphere to the earth
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precipitation
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the balanced total of all the water on earth through the processes of evaporation,transpiration,condensation, and precipitation
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water budget
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a glacier that covers a large area of land
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continental glacier
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a long,narrow,u-shaped mass of ice that takes a shape as ice moves down a mountain and through a valley area
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valley glacier
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water in the ground
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ground water
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a mass of rock that can hold a large amount of ground water and through which water can flow
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aquifer
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the percentage of open spaces in rocks or sediments that will hold ground water
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porosity
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an area of rock and soil whose spaces are completely filled with ground water
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zone of saturation
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the upper boundary of a zone of saturation
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water table
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a small stream of water flowing naturally from the earth
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spring
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an area of rock and soil whose spaces contain both air and water
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zone of aeration
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a hot spring that periodically erupts
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geyser
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land areas that have experienced large amounts of chemical weathering by ground water
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karst topography
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a large underground chamber formed when the cracks in rocks are dissolved by ground water
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cavern
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a circular depression in the ground that forms when the roof of an underground cave collapses
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sinkhole
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water- usually from precipitation- that flows over the land
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runoff
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the surface features of a place or region
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topography
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an area of land that drains into a particular river system
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watershed
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a stream or river that flows into a larger stream or river
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tributary
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the ridges and other elevated regions that separate watersheds
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divides
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water that contains dissolved minerals such as calcium and magnesium
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hard water
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water that does not contain dissolved minerals
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soft water
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(dike)a structure built to prevent a river from overflowing
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levee
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a structure built across a river to regulate its flow
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dam
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a natural or artificial lake used to store or regulate water
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reservoir
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electricity produced from the power of moving water
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hydroelectric power
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a pond or lake formed when a bend of a river is cut from the main channel
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oxbow
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an explosive growth of algae caused by too many nutrients in the water
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algal bloom
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compounds that contain the element phosphorus
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phosphates
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compounds that contain the element nitrogen
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nitrates
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the process in which a body of water becomes over-enriched with nitrates or phosphates
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eutrophication
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an area that has been depleted of oxygen by eutrophication
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dead zone
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