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 or chemical means.

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What is erosion?

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The process by which soil and rock are removed from one location and transported to another, often by wind, water, or ice.

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What is deposition?

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

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What causes physical weathering?

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Physical weathering is caused by mechanical processes such as freeze-thaw cycles, abrasion, and temperature changes.

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What is chemical weathering?

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Chemical weathering involves the alteration of the chemical composition of rocks, often due to reactions with water, acids, or oxygen.

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How do rivers contribute to erosion?

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Rivers erode the land by carrying away soil and rock as they flow, shaping the landscape over time.

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What is a delta?

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A landform created by the deposition of sediment at the mouth of a river, where it meets a body of water.

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What role does acid rain play in weathering?

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Acid rain can chemically weather rocks, especially limestone, leading to the formation of caves.

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What is the difference between weathering and erosion?

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Weathering breaks down rocks in place, while erosion involves the movement of those broken materials to new locations.

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What is an example of physical weathering?

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An example of physical weathering is the cracking of rocks due to freeze-thaw cycles.