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Weathering/Erosion
Weathering and erosion test prep
14
Science
7th Grade
01/16/2009

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Cards

Term
soil
Definition
Loss, weathered material on Earth's surface in which plants can gro
Term
bedrock
Definition
solid layer of rock beneath soil
Term
3 types of weathered rock particles
Definition
sand, silt, clay
Term
humus
Definition
decayed organic matter
Term
Order in which the soil horizons formed
Definition
soil horizon C, soil horizon A, soil horizon B

Make sure you know why!!!
Term
glaciers
Definition
Term
4 types of erosion caused by gravity
Definition
landslides, mudflows, slump, creep
Term
Alluvial Fan
Definition

wide, sloping deposit of sediment formed where a stream leaves a mountain range.

[image]

Term
Meander
Definition

Looplike bend in the course of a river.

[image]

Term
Delta
Definition
The sediment deposited where a river flows into an ocean or a lake.[image]
Term
Oxbow Lake
Definition
A meander that has been cut off from the river.[image]
Term
Factors that affect the amount of runoff
Definition
  1. amount of rain
  2. vegetation
  3. type of soil
  4. shape of the land
  5. how people use land
Term
  • V-shaped valleys
  • waterfalls
  • flood plains
  • meanders
  • oxbow lakes
Definition
Formations caused by river erosion
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