Shared Flashcard Set

Details

Chapter 5 Study Guide
N/A
30
Environmental Studies
9th Grade
03/15/2013

Additional Environmental Studies Flashcards

 


 

Cards

Term
The process that occurs when physical force break rock into smaller pieces without changing the rock's chemical composition is called ?
Definition
Mechanical weathering
Term
What is the weathering processes involving the constant freezing and thawing of water?
Definition
Frost wedging
Term
What are the process of mechanical weathering?
Definition
Frost wedging , unloading , biological activity
Term
When water freezes, it's volume______?
Definition
Term
Which of the following is the result of chemical weathering ?
Definition
A rock that has been changed into one or more compound
Term
What kind of weathering would cause the writing on a marble gravestone to become harder and harder to read over?
Definition
Chemical weathering
Term
A soil's texture is determined by ________?
Definition
Clay, silt and sand
Term
The main source of organic matter in soil is _____?
Definition
Plants
Term
In figure 5-2 what is the layer labeled Y composed of ?
Definition
Term
A soil that is characteristic of the humid eastern United States is _________?
Definition
Term
A soil associated with the hot and wet tropics is ________?
Definition
laterite
Term
Which of the following human activities has caused an increase in soil erosion?
Definition
Term
The process responsible for moving material down slope under the influence of gravity is called?
Definition
Mass movement
Term
What is the force behind mass movement?
Definition
Gravity
Term
What is the slowest type of mass movement ?
Definition
Term
What is responsible for the formation of exfoliation domes
Definition
Term
The gradual rounding of the corners and the edging of angular blocks of rocks is called ?
Definition
Term
The process called__________ involves physical forces that break rock into smaller pieces
Definition
Term
In the process of ___________ , water freezes and expands, enlarging cracks in rocks
Definition
Term
A large pile of debris that forms at the base of a slope is called ?
Definition
Term
The most important agent in chemical weathering is?
Definition
Term
The layer of rock and mineral fragments produced by weathering, and covering nearly all of earth's land surface is called ?
Definition
Term
Human activities that remove vegetation have resulted in an _______________ in soil erosion
Definition
Term
The force that drives mass movements is ?
Definition
Term
List three factors that affect the rate of weathering......
Definition
Term
How are soils classified based on textures ?
Definition
Term
What are the three processes that breaks rock into smaller pieces during mechanical weathering?
Definition
Term
Use figure 5-1 to determined what a soil is called if it has 20 percent clay, 60 percent silt and 20 percent
Definition
Term
In a well developed soil profile which horizon is the uppermost layer?
Definition
Term
In figure 5-2, what is the layer layered X?
Definition
Supporting users have an ad free experience!