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 through physical, chemical, or biological means.

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What is erosion?

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

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What is deposition?

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The process of dropping sediment in a new location after it has been transported by erosion.

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What is chemical weathering?

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The breakdown of rocks and minerals through chemical reactions, often involving water and substances like acids.

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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 oxidation in weathering?

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A chemical weathering process where oxygen reacts with minerals, especially those containing iron, leading to rust formation.

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What is sediment?

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Bits of rock, sand, and silt caused by the weathering of rocks.

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What role does acid rain play in weathering?

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Acid rain can dissolve minerals in rocks, leading to chemical weathering and the formation of features like caves.

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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 is the impact of vegetation on erosion?

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Vegetation helps to anchor soil in place, reducing the likelihood of erosion.