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Science Vocab quiz
miss. Evans vocab quiz
16
Science
7th Grade
02/08/2007

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Term
watershed
Definition
land area that supplies water to a river system.
Ex. Chesapeake watershep
Term
Topographic map
Definition
map showing surface feature of an area
Term
contour line
Definition
a line on a topographic map that connects points of equal elevation.
Term
Elevation
Definition
height above sea-level
Term
Estuary
Definition
a coastal interior bay where saltwater and freshwater mix.
Term
Tributary
Definition
A stream that flows into a larger stream or river
Term
Head waters
Definition
the water from which a river rises; a source
Term
Mouth
Definition
place where a stream flows into a larger stream or river.
Term
Delta
Definition
fan-shaped area of sediment that is dumped by a river
Term
Standing water
Definition
small bodies of water with water for atleast four monthes of the year
Term
evaporation
Definition
The process of which molicules at the surface of a liquid such as water get absorb enough energy to change to gas such as water vapor.
Term
transpiration
Definition
the process of plants releasing water vapor through their leaves
Term
percipitation
Definition
forms of water such as rain, snow, and sleet that fall from clouds and reach the earths surface.
Term
condensation
Definition
the process of which a gas [water vapor]
turns to a liquid [water]
Term
groundwater
Definition
the water that fills the cracks and pores in underground soil and rock layers
Term
Run-off
Definition
water that flows over the ground surface rather then soaking in
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