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Plate Tectonics
N/A
9
Science
7th Grade
02/03/2011

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Cards

Term
Sediment
Definition
The material moved by erosion
Term
Permeable
Definition
a material that is full of tiny, coonnected air spaced that allow water to seep through it.
Term
oxidation
Definition
when iron combines with oxegyn in the presence of water
Term
Chemical Weathering
Definition
the process that breaks down rock through chemical changes
Term
Ice Wedging
Definition
wedges of ice in rocks widen and deepen cracks
Term

Abrasion
Definition
prefers to the grinding away of rock by rock particles carried by water, ice, wind, or gravity.
Term
Mechanical Weathering
Definition
The type of weathering in which rock particles are broken into smaller pieces.
Term
Slump
Definition
a mass of rockand soil suddenly slips down a slope.
unlike a landslide, the material in a slump moves down in one large mass.
Term
Creep
Definition
the very slow downhill movement of rock and soil.
Even occurs on gentle slopes. Often results fromn the freezing and thawing of water in cracked layers of rock beneath soil.
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