Rocks, Weathering, Erosion and Soil

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What is weathering?

Back

The process of breaking down rocks into smaller pieces through 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 soil?

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A natural resource composed of minerals, organic matter, water, and air that supports plant life.

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What is mass movement?

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The downward movement of soil and rock due to gravity, which can occur rapidly or slowly.

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What is mechanical weathering?

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The physical breakdown of rocks into smaller pieces without changing their chemical composition.

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What is chemical weathering?

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The process that alters the chemical structure of rocks, often leading to the formation of new minerals.

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What is oxidation in the context of weathering?

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A type of chemical weathering where oxygen reacts with minerals, often leading to rusting of iron-rich rocks.

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What role do plants play in weathering?

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Plant roots can grow into cracks in rocks, exerting pressure and contributing to mechanical weathering.

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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 sediment?

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Small particles of rock and soil that are transported by wind, water, or ice.