Weathering, Erosion & Deposition

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What is weathering?

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

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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 wind, water, or ice and transported to another location.

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What is deposition?

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The process by which sediments, soil, and rocks are added to a landform or land mass, often occurring after erosion.

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What is physical weathering?

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The breaking down of rocks through physical processes such as freeze-thaw cycles, temperature changes, and abrasion.

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What is chemical weathering?

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The process that involves the chemical breakdown of minerals in rocks, often due to reactions with water, acids, or gases.

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What is biological weathering?

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The process of weathering caused by living organisms, such as plants and animals, that break down rocks.

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How does a river contribute to erosion?

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A river erodes its banks and bed by the force of its flowing water, carrying away soil and rock.

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What role do waves play in deposition?

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Waves can deposit sand and other materials onto shorelines, forming beaches and sandbars.

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What is the difference between erosion and weathering?

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Weathering is the breakdown of rocks, while erosion is the movement of those broken materials from one place to another.

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What is an example of erosion caused by wind?

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Wind can blow sand from one location to another, shaping landscapes like dunes.