POSTREVIEW 8ESS2 De/Constructive Forces Shaping Lithosphere ON24

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What is deposition in geology?

Back

Deposition is the geological process where material is added to a landform or land mass. It occurs when the energy of the transporting medium (like water or wind) decreases, allowing sediments to settle.

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What is erosion?

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Erosion is the process by which soil and rock are removed from the Earth's surface by natural processes such as wind or water flow, and transported to another location.

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What is weathering?

Back

Weathering is the breakdown of rocks and minerals at the Earth's surface through physical, chemical, or biological processes.

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What is the difference between physical and chemical weathering?

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Physical weathering involves the mechanical breakdown of rocks without changing their chemical composition, while chemical weathering involves changes in the chemical structure of minerals.

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How do plants contribute to physical weathering?

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Plants contribute to physical weathering when their roots grow into cracks in rocks, causing the rocks to break apart as the roots expand.

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What factors affect the rate of erosion?

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Factors affecting the rate of erosion include climate, topography, vegetation, and human activities.

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What is a meander in a river?

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A meander is a curve or bend in a river, formed by the erosion of the outer bank and deposition on the inner bank.

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How does water flow affect erosion in a river?

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Faster water flow increases erosion on the outer banks of a river, while slower flow allows for deposition of sediments on the inner banks.

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What is the role of climate in erosion?

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Climate affects erosion rates through factors like precipitation, temperature, and vegetation cover, influencing the amount of water flow and soil stability.

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What is the impact of human activity on erosion?

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Human activities such as deforestation, construction, and agriculture can increase erosion rates by disturbing the soil and vegetation.