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9-3 Bedrock to Soil
Vocabulary dealing with the formation of soil, an important natural resource.
8
Geology
6th Grade
04/02/2010

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Cards

Term

 

soil

Definition

 

a loose mixture of small mineral fragments, organic material, water, and air that can support the growth of vegetation.

Term

 

parent rock

Definition


The rock that breaks down into mineral fragments that form a soil is called

Term

 

bedrock

Definition



the layer of rock beneath soil

Term

 

residual soil

Definition


 

Soil that remains above its parent rock

Term

 

transported soil

Definition


Soil that is carried away from its parent rock by ice, gravity, wind, water, 


Term

 

properties of soil

Definition

  • composition
  • texture
  • fertility
  • horizons
  • pH

Term

 

hummus

Definition

 

the organic material that forms in soil from the decayed remains of plants and animals

Term

 

topsoil

Definition

 

the top layer of soil

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