Constructive & Destructive Forces Flashcard

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What is Mechanical Weathering?

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Mechanical Weathering is the process of breaking down rocks into smaller pieces without changing their chemical composition, often caused by physical forces like freeze-thaw cycles.

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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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NGSS.MS-ESS2-2

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What is Chemical Weathering?

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Chemical Weathering is the process that breaks down rocks through chemical reactions, often involving water and substances in the environment, changing the minerals in the rocks.

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What is Deposition?

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Deposition is the geological process where material is added to a landform or land mass, often occurring when sediment carried by wind, water, or ice settles.

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What are Constructive Forces?

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Constructive Forces are natural processes that build up the Earth's surface, such as volcanic eruptions, sediment deposition, and the formation of mountains.

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NGSS.MS-ESS2-2

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What are Destructive Forces?

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Destructive Forces are natural processes that break down or wear away the Earth's surface, including erosion, weathering, and volcanic eruptions.

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How do sea cliffs form?

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Sea cliffs form through the destructive process of weathering and erosion, where waves and water wear down rocks over time.

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NGSS.MS-ESS2-2

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What is an example of a constructive process?

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An example of a constructive process is the deposition of sand by wind, which can create dunes.

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What role does gravity play in deposition?

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Gravity causes materials like sand and sediment to move downward, leading to deposition in lower areas such as riverbanks or beaches.

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NGSS.MS-ESS2-4

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What is the difference between weathering and erosion?

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Weathering is the breaking down of rocks in place, while erosion involves the movement of those broken materials from one location to another.

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