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25 Cards in this Set
- Front
- Back
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What kind of weathering is caused by acids?
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Chemical weathering
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What occurs when roots force rocks apart?
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mechanical weathering
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In what kind of region is chemical weathering most rapid?
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warm and moist
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What is a micture of weathered rock, organic matter, air, and water called?
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soil
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What is decayed organic material called?
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humus
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Where is the most humus found?
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Horizon A
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What is done to reduce erosion on steep slopes?
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terracing
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Which of the following causes trees to lean or become bent?
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creep
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What term describes a mass of ice and snow in motion?
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glacier
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What type of wind erosion leaves pebbles and boulders behind?
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deflation
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What makes up the layers of the soil?
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Soil profile
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What is the process called when water enters cracks then freezes, thaws, and freezes breaking apart the rock?
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ice wedging
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What horizon has parent rock?
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Horizon C
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What horizon has topsoil?
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Horizon A
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In what horizon are sand and clay found?
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Horizon B
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What kindof weathering is caused by physical processes?
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mechanical weathering
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What is one factor that affects soil formation?
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vegetation
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When a large chunk of land breaks off and falls down a slope is called??
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slump
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What is it called when sediments are carried away from a glacier by meltwater?
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outwash
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What are glacial deposits at the back of the glacier called?
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moraine
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What is formed by a tunel under a glacier?
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eskers
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What are two types of wind erosion?
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deflation, abrasion
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What types of weathering is a result of gravity?
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creep, slump, mudflow, rock falls,
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What types of weathering is a result of glaciers?
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moraine, esker, horn, till, plucking, cirques
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What types of weathering is a result of wind?
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deflation, dune, abrasion, loess
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