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 one location and transported to another, often by wind, water, or ice.

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What is deposition?

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

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What energy source drives weathering, erosion, and deposition?

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The Sun's energy.

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What is chemical weathering?

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

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What is physical (mechanical) weathering?

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The process of breaking rocks into smaller pieces without changing their chemical composition, often due to temperature changes or pressure.

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What is an example of erosion?

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The removal of soil and plants from a riverbank after a storm.

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What is a landslide?

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A rapid movement of a large amount of earth material down a slope, often triggered by erosion or heavy rainfall.

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What is sedimentation?

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The process of settling or being deposited as sediment, often occurring in bodies of water.

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What role does gravity play in erosion?

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Gravity pulls materials down slopes, contributing to erosion and landslides.