Chapter 5
The process that occurs when physical forces break rock into smaller pieces without changing the rock’s chemical composition is called ______.
What is the weathering processes involving the constant freezing and thawing of water ?
What are the processes of mechanical weathering ?
When water freezes, its volume ______________________________.
What of the following is the result of chemical weathering ?
What kind of weathering would cause the writing on marble gravestone to become harder and harder to read over time ?
A soil’s texture is determines by _____________________.
The main source of organic matter in soil is _____________________.
Use figure 5-1 to determine what soil is called if it has 20 percent clay, 60 percent silt, and 20 percent sand .
a well-developed soil profile, what horizon is uppermost layer ?
In figure 5-2, what is the layer labeled X ?
In figure 5-2, what is the layer labeled Y composed of ?
A soil that is characteristic of the humid eastern United States is ________________________.
A soil associated with the hot and wet tropics is __________________________________.
Which of the following human activities has cause an increase i soil erosion ?
The process responsible for moving material down-slope under the influence of gravity is called _________________________________________________.
What is the force behind mass movements ?
What is the slowest type of mass movement ?
What is responsible for the information of exfoliation domes ?
The gradual rounding of the corners and edges of angular blocks of rock is called _____________________.
The process called ___________________________ involves physical forces that break rock into smaller pieces.
In the process of ________________________, water freezes and expands,enlarging cracks in rocks .
A large pile of debris that forms at the base of slope is called ___________________.
The most important agent of chemical weathering is _____________________________.
The layer of rock and mineral fragments produced by weathering, and covering nearly all of Earth’s land surface, is called ______________________.
Human activities that remove vegetation have resulted in a(n) _____________________________ in soil erosion.
The force that drives mass movements in ____________________.
List three factors that affect the rate of weathering.
How are soils classified based on texture ?
What are the three processes that break rocks into smaller pieces during mechanical weathering ?
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