Shared Flashcard Set

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BSS ESC11 CH 8-12 vocab
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21
Science
11th Grade
12/10/2008

Additional Science Flashcards

 


 

Cards

Term

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carbonic acid

Definition
a type of acid that desolves calcite and other reactive minerals
Term

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chemical weathering

Definition
the process by which rocks are decomposed, dissolved or loosened by chemical processes to form residual materials
Term

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soil creep

Definition
a slow adjustment of soil and rocks
Term

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erosion

Definition
Term

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exfoliation

Definition
the peeling away of sheets of rock millimeters to meters in thickness from a rock's surface
Term

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hydrolysis

Definition
process involves not merely absorption of water, a specific chemical change in which a new mineral is produced
Term

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ice wedging

Definition

When water infiltrates fractures in rock and freezes, the force of expansion is great enough to break
the rock into smaller pieces.

Term

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landslide

Definition
a downward and outward movement of a SOIL mass that formed part of a slope
Term

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mass movement

Definition
the down slope movement of earth materials under the influence of gravity.
Term

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mechanical weathering

Definition
when rocks are broken down without any change in the chemical nature of the rocks
Term

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mudflow

Definition
a flow of mixed earth debris containing a large amount of water
Term

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oxidation

Definition
The combination of a substance with oxygen
Term

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parent material

Definition

means the underlying geological material in which soil forms

Term

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residual soil

Definition
the soil that is remaining after the soluble elements have been dissolved
Term

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soil

Definition
naturally occurring, unconsolidated or loose covering on the Earth's surface
Term

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soil erosion

Definition
the washing away of soil by the flow of water 
Term

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soil profile

Definition
to the layers of soil
Term

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subsoil

Definition
the bed or stratum of earth or earthy material immediately under the surface soil.
Term

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topsoil

Definition
the fertile, upper part of the soil
Term

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transported soil

Definition
weathered pieces of rocks that have been carried by several agents like wind and water and finally breaks down into further small pieces to settle down is called transported soil.
Term

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weathering

Definition
 the decomposition of earth rocks, soils and their minerals through direct contact with the planet's atmosphere
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