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Chapter 12 Vocabulary
Mrs. Bennett
23
Science
6th Grade
02/24/2008

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Term
aquifer
Definition
layer of permeable rock that allows water to flow through
Term
artesian well
Definition
a well in which water rises to the surface under pressure
Term
cave
Definition
underground opening formed in rock
Term
rocky shoreline
Definition
costal land with rocks and cliffs but a little sand
Term
floodplain
Definition
the broad, flat valley formed by a meandering stream
Term
geyser
Definition
hot spring that errupts periodically and shoots water and steam into the air
Term
groundwater
Definition
water that soaks into the ground and collects in pores and empty spaces
Term
barrier islands
Definition
sand deposits that lay parallel the shore but are seperated from the mainland
Term
impermeable
Definition
describles materials that water cannot pass through
Term
meander
Definition
broad, C-shaped curve in a river or stream, formed by erosion of its outer bank
Term
permeable
Definition
describes soil and rock with connecting pores through which water can flow
Term
gully erosion
Definition
results when a rill channel becomes broader and deeper
Term
spring
Definition
forms when the water table meets Earth's surface
Term
rill erosion
Definition
begins when a small stream forms during a heavy rain
Term
beaches
Definition
deposits of sediment that are parallel to the shore
Term
longshore current
Definition
current that runs parallel to the shoreline, is caused by waves colliding with the shore at slight angles, and moves tons of loose sediment
Term
zone of saturation
Definition
the area where all of the pores in the rock are filled with water
Term
stalaCtite
Definition
calcite formation hanging from the CEILING of a cave
Term
alluvial fan
Definition
the deposit formed when river water empty onto a flat, open plain
Term
drainage basin
Definition
land area from which a river or stream collects runoff (bathtub)
Term
runoff
Definition
any rainwater that does not soak into the ground or evaporate but flows over Earth's surface
Term
water table
Definition
upper surface of the zone of saturation
Term
stalagMITE
Definition
Calcite formation on the FLOOR of a cave (you MIGHT step on it)
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