Term
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Definition
| the breaking down of rock and other substances at Earth's surface. |
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Term
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Definition
| the movement of rock particles by wind, water, ice or gravity |
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Term
| What are the 2 types of weathering |
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Definition
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Term
| define Mechancial weathering |
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Definition
| The type of weathering in which rock is PHYSICALLY broken into smaller pieces (NO CHANGE IN CHEMCIAL MAKEUP) |
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Term
| What are the 5 forces of MECHANICAL weathering |
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Definition
| 1) freezing/thawing 2) abrasion 3)release pressure 4) growth of plants 5) actions of animals. |
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Term
| 4 steps in the cycle of ice wedging |
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Definition
| 1. water seeps into cracks 2. water freezes and expands 3. ice widens cracks 4. ice melts, pieces break or come apart |
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Term
| Define chemical weathering |
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Definition
| The process that breaks down rock through chemcical changes (CHANGES THE CHEMICAL MAKEUP) |
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Term
| List the 5 agents of CHEMICAL weathering |
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Definition
| 1. water 2. oxygen 3. carbon dioxide 4. living organisms 5. acid rain |
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Term
| what is the most important agent of Chemical weathering |
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Definition
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Term
| what cases iron to rust and what type of weathering is it |
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Definition
| oxigin chimical weathering |
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Term
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Definition
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| lichens are one example of |
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Definition
| chemIcal weathering...living organisms |
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Term
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Definition
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Term
| T/F Water weathers rock by gradually dissolving it. |
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Definition
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Term
| Oxygen weathers rock through a process called ____________. |
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Definition
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Term
| Name 2 kinds of rock that are easily weather by carbonic acid |
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Definition
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Term
| The most important factors that determine the rate of weathering are the type of ____ and _____. |
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Definition
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Term
| A rock that is full of tiny, connected air spaces is said to be ___________. |
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Definition
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