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Land Vocab
WORLD GEOGRAPHY
17
Other
9th Grade
10/02/2009

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Cards

Term
Weathering (chemical+mechanical)
Definition
Physical processes and Chemical processes that change the characteristics of rock on or near the earth's surface.
-Mechanical (Processes that break into smaller pieces)
-Chemical (occurs when rock is changed into a new substance as a result of interaction)
Term
Lithosphere
Definition
The solid rock portion of the earth's suraface.
Term
Mantle
Definition
Surrounds the core which has several layers.
Term
Crust
Definition
The thin layer of rock in Earth's surface.
Term
Continental Drift
Definition
The idea that all the continents were joined and then split apart a million years ago. "Pangea"
Term
Plate Techtonics
Definition
Enormous moving pieces of the Earth's lithosphere.
Term
Glaciers
Definition
A large,long-lasing mass of ice that moves because of gravity.
Term
Loess
Definition
Wind blown silt and cla sediment that produce very fertile soil.
Term
Ring of Fire
Definition
A zone around the rim of the pacific ocean, the location of the vast majority of active volcanoes.
Term
Erosion
Definition
Occurs when weathered material is moved by the action of wind, water, ice or gravity
Term
Relief
Definition
A factor of Soil; the difference in elevation of a landform fromm its lowest point to its highest point.
Term
Epicenter
Definition
The point direcly above the focus on the Earth's surface.
Term
Plate Boundaries
Definition
Term
Fault
Definition
Fracture's in the Earth's crust.
Term
Focus
Definition
Term
Wadis
Definition
A rverbed that stays dry except during the rainy seasons.
Term
Tsunami
Definition
A giant wave in the ocean caused by an earthquake.
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