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Water Cycle
Water cycle terms and definitions
20
Science
7th Grade
11/17/2008

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Term
Biogeochemical cycle
Definition
The cycling of a chemical elements required by life between the living and non living parts of the enviroment
Term
Water cycle
Definition
The biogeochemical cycle that describes the continous process by which water move from the earths surface to the atmosphere and back again
Term
Carbon oxygen cycle
Definition
the biogeochemical cycle that desribes the movement of carbon and oxygen between the atmosphere oceans plants and animals
Term
Rock Cycle
Definition
the biogeochemical cycle that dicribes the dynamic movement of the three main rock types through geologic time
Term
Water Vapor
Definition
the gas phase of water
Term
Nitrogen Cycle
Definition
The biogeochemical cycle that describes the transformations of nirto gen and nitrogen-containing componds in nature.
Term
Condensation
Definition
The process bye which gas changes to a liquid
Term
Transpiration
Definition
The evaporation of water into the atmosphere from leaves and steams of plants
Term
Evaporation
Definition
The process by which molecules of a liquid absorb energy and change to a gas
Term
Precipitation
Definition
Rain,sleet,snow, or hail
Term
Hydrosphere
Definition
Includes all the earths water found in streams, lakes, the siol, ground water, and in the air
Term
Lithosphere
Definition
The "solid" part of earth - it has two parts, the crust and the upper mantle
Term
Atmosphere
Definition
A layer of gases surrounding our Earth that is retained bye Earths gravity
Term
Renewable Resources
Definition
A resource that is replenished by natural processesat a rate comparable of faster that it's rate of consumption bye humans or other users
Term
Nonrenewable Resources
Definition
A natural rfesource that cannot be produced,regrown or regenerated, they often exist in a fixed amount, or are consumed faster than they are recreated by nature
Term
Groundwater
Definition
Water located beneath the ground surface
Term
Runoff
Definition
The flow of water, from rain, snowmelt, or other sources,over land
Term
Watershed
Definition
The area of land where all of the water that is under it drains off of it goes into the same place
Term
Global warning
Definition
The increase in the adverage measured temperature of the Earths surface air and oceans
Term
Point source pollution
Definition
Pollution that can be attributed to a simple source (such as a factory exhaust pipe)
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