Weathering and Erosion

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What is weathering?

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The process of breaking down rocks into smaller pieces through physical or chemical means.

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What is erosion?

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The movement of weathered rock and soil from one location to another, often by wind, water, or ice.

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What is abrasion in the context of weathering?

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A type of mechanical weathering where rocks are worn smooth by the friction of wind or water carrying smaller particles.

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What is chemical weathering?

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The process where rocks break down due to chemical reactions, changing the minerals in the rock.

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What is mechanical weathering?

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The physical breakdown of rocks into smaller pieces without changing their chemical composition.

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What is ice wedging?

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A type of mechanical weathering where water seeps into cracks in rocks, freezes, expands, and causes the rock to break apart.

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How does weathering affect mountains?

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Weathered mountains tend to be rounder and less jagged compared to unweathered mountains.

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What role does acid rain play in weathering?

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Acid rain can accelerate chemical weathering by reacting with minerals in rocks, leading to their breakdown.

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What is deposition?

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The process where eroded materials are dropped off in a new location, forming new landforms.

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What is the difference between weathering and erosion?

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Weathering is the breakdown of rocks, while erosion is the movement of those broken materials.