Weathering, Erosion, and Deposition

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What is weathering?

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

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What is erosion?

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The process by which weathered materials are transported from one location to another by wind, water, ice, or gravity.

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What is deposition?

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The process where eroded materials are dropped or settled in a new location.

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What is physical weathering?

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

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What is chemical weathering?

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The process that breaks down rocks through chemical reactions, altering their mineral composition.

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What is biological weathering?

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The breakdown of rocks by living organisms, such as plants and animals.

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What is abrasion?

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The process of scraping or wearing away of rocks through friction, often caused by wind or water.

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How does temperature change contribute to weathering?

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Temperature changes can cause rocks to expand and contract, leading to cracks and eventual breakdown.

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What role does ice play in weathering?

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Ice can cause physical weathering through freeze-thaw cycles, where water freezes in cracks and expands.

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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 transportation of those weathered materials.