Term
| The process that occurs when physical forces break rock into smaller pieces without changing the rocks chemical composition is called ? |
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Definition
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Term
| What is the weathering processes involving the constant freezing and thawing of water ? |
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Definition
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Term
| What are the processes of mechanical weathering ? |
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Definition
| frost wedging,unloading,and biological activity |
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Term
| When water freezes its volume |
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Definition
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Term
| Which of the following is the result of chemical weathering ? |
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Definition
| a rock has been split in two |
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Term
| What kind of weathering would cause the writing on a marble gravestone to become harder and harder to read over time ? |
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Definition
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Term
| A soils texture is determined by ? |
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Definition
| percentage of clay,silt,and sand |
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Term
| The main source of organic matter soil is ? |
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Definition
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Term
| A soil that is characteristic of the humid eastern United States is ? |
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Definition
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Term
| A soil associated with the hot and wet tropics ? |
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Definition
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Term
| Which of the following human activities has caused an increase in soil erosion ? |
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Definition
| farming,logging,and construction |
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Term
| The process responsible for moving material down-slope under the influence of gravity is called ? |
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Definition
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Term
| What is the force behind mass movement ? |
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Definition
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Term
| What is the slowest type of mass movement ? |
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Definition
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Term
| What is responsible for the formation of exfoliation domes ? |
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Definition
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Term
| The gradual rounding of the corners and edges of angler blocks of rock is called ? |
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Definition
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Term
| The process called____involves physical forces that break rock into smaller pieces ? |
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Definition
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Term
| In figure 5-2 what is the layer labeled Y composed of ? |
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Definition
| unweathered parent material |
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Term
| In the process of ___,water freezes and expands,enlarging cracks in rocks |
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Definition
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Term
| A large pile of debris that forms at the base of a slope is called ? |
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Definition
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Term
| The most important agent of chemical weathering is ? |
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Definition
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Term
| The layer of rock and mineral fragments produced by weathering,and covering nearly all of Earths land surface is called ? |
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Definition
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Term
| Haman activities that remove vegatation have resulted in an |
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Definition
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Term
| The force that drives mass movements is |
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Definition
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Term
| List three factors that affect the rate of weathering ? |
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Definition
Surface Area
Rock Composition
Climate |
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Term
| How are soils classified based on texture ? |
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Definition
| clay,silt,and sand in soil |
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Term
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Definition
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Term
| What are the 3 processes that break rocks into smaller pieces during mechanical weathering ? |
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Definition
| frost wedging,unloading,and biological weathering |
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Term
| Use figure 5-1 to determine what soil is called if it has 20% clay.,60% silt,and 20% sand |
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Definition
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Term
| In well developed soil profile which horizon is the uppermost level ? |
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Definition
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Term
| In figure 5-2 what is layer is labeled x ? |
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Definition
| mineral matter mixed with some organic matter |
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