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15 Cards in this Set
- Front
- Back
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Abrasion
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example of physical/mechanical weathering; grinding away of rocks by friction with other rocks
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Bedrock
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the solid, or continuous, rock that extends into Earth's interior
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Biological activity
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the actions of plants and animals that cause weathering
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Chemical change
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a change that results in the formation of a new substance; i.e. steel weathers and chemically changes to rust
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Chemical weathering
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a natural process that occurs under conditions at Earth's surface, forming new compounds
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Frost wedging
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a form of physical weathering caused by repeated freezing and thawing of water within cracks in rocks
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Infiltration
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the process in which water soaks into the ground
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Mechanical weathering
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the breaking up of rock into smaller particles without a change incomposition; physical weathering
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Physical weathering
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the breaking up of rock into smaller particles without a change in composition; mechanical weathering
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Residual soil
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soil that is formed in place and remains there
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Sediment
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the loose material created by the weathering of rock (ESRT)
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Soil
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mixture of weathered rock and the remains of living organisms in which plants can grow
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Soil horizon
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the layers of a mature soil ( organic material and leached zone, mineral enriched horizon, broken rock, bedrock)
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Transported soil
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soil that is formed in one location and moved to another location
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Weathering
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the change in rocks that occurs when they are exposed to conditions at Earth's surface
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