Weathering, Erosion, and Deposition

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What is mechanical weathering?

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The natural breakdown of rock into sediments by physical changes.

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How does water contribute to chemical weathering?

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By dissolving certain rocks and minerals.

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What are some agents of mechanical weathering?

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Ice wedging, root growth, and impacts.

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Why do rocks with a greater surface-area-to-volume ratio change faster?

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Because they are more exposed to air and water.

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What is differential weathering?

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The uneven weathering of different rocks in the same landform.

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What is erosion?

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The process by which soil and rock are removed from the Earth's surface by natural processes such as wind or water flow.

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What is deposition?

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The process in which sediments, soil, and rocks are added to a landform or land mass.

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How do glaciers contribute to erosion?

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Glaciers erode the landscape by scraping and scouring the ground as they move.

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What role does vegetation play in weathering?

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Vegetation can protect soil from erosion and contribute to mechanical weathering through root growth.

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What is chemical weathering?

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The process that breaks down rocks through chemical reactions, often involving water.