Weathering

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What is weathering?

Back

Weathering is the process that breaks down rocks into smaller pieces through physical, chemical, or biological means.

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What is chemical weathering?

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Chemical weathering occurs when rocks undergo chemical changes that weaken and break them down.

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What is mechanical weathering?

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Mechanical weathering is the physical breakdown of rocks into smaller pieces without changing their chemical composition.

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What is erosion?

Back

Erosion is the process by which weathered rock and soil are moved from one location to another by wind, water, or ice.

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What is abrasion in the context of weathering?

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Abrasion is the process of rocks being worn smooth by the friction of wind or water carrying smaller particles.

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How does acid rain contribute to weathering?

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Acid rain can chemically react with minerals in rocks, leading to their breakdown and erosion.

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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.

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What effect does weathering have on mountains over time?

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Weathering can make mountains appear rounder and less jagged as sharp edges are worn down.

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What is ice wedging?

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Ice wedging is a type of mechanical weathering where water seeps into cracks, freezes, and expands, causing the rock to break apart.

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What role does temperature play in weathering?

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Temperature changes can cause rocks to expand and contract, leading to mechanical weathering.