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Weathering
House
17
Science
7th Grade
09/29/2010

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Cards

Term
Chemical weathering
Definition
Occures when chemical reactions dissolves the minerals in rocks
Term
Climate
Definition
Weather patterns that occur in a particular area over many years
Term
humus
Definition
cark- colored, decade organic matter that supplies nutrients to plants and is found mainly in topsoil
Term
Ice wedging
Definition
mechanical weathering process that occers when water freezes in the cracks of rocks and expands, causing the rock to break apart
Term
leaching
Definition
removal of minerals that have been dissolved in water
Term
mechanical Weathering
Definition
process that breaks rocks apart without changing their chemical makeup
Term
Oxidation
Definition
chemical weathering process that occers when matallic material is exposed to oxegen and water over time
Term
Soil
Definition
mixture of weatherd rock, decayed organic matter mineral fragments, water, and air
Term
Weathering
Definition
mechanical or chemical surface processes that break rocks into smaller and smaller pieces
Term
Erosion
Definition
the suface is worn away and transported from one place to another
Term
Deflation
Definition
type of erosion that happens when wind blows sedement from one place to another
Term
Deposition
Definition
dropping of sediments that occer when an agent of erosoin, such as gravity, a glacier, wind, or water, loses its energy and can no longer carry its load
Term
Deposition
Definition
Term
Deposition
Definition
Term
Dune
Definition
mound formed when windblown sediments pile up behind an obsticle, comman landform in the desert
Term
Mass Movement
Definition
any type of erosion that occers as gravity moves materials downslope
Term
Slump
Definition
a type of mass movment that occers when a mass of matirial moves down a curved slope
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