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weathering
ekhator
15
Science
7th Grade
09/29/2010

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Term
chemical wethering
Definition
occurs when chemical reactions disolve the minerals in rocks.
Term
climate
Definition
weather patterns that occur in diffrent area over many years
Term
humus
Definition
darke colored, decayed organic matter that supplies nutrients to plants,and is found mostly in top soil.
Term
Ice wedging
Definition
mechanical weathering process that occurs when water freezesin the cracks of rocks
Term
Leaching
Definition
Removal of minirals that have been disolved in water.
Term
mechanical weathering
Definition
Phisycal process that braeks rocks apart without changing their chemical makeup.
Term
oxidation
Definition
chemical weathering procces that occurs when matalic matrials is exposed to oxygen and water over time.
Term
soil
Definition
Mixture of weathered rocks.decayed organic matter,miniral fragment,water and air that can take thousands of years to develope.
Term
weathering
Definition
Mecanical or chemical surface procces that break rocks into little pieces.
Term
erosion
Definition
Procces in which surface matirials are worn away and transported from one area to the other by gravity, wind , ice and water.
Term
deflation
Definition
a type of erosion that occurs when wind blows over little sediments,removes small particals, and leaves coarser sediments behind.
Term
Deposition
Definition
droping of one place to the other.
Term
Dune
Definition
mound formed when wind blown sediments piled up behind an obstcal.
Term
mass movement
Definition
Term
slump
Definition
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