Weathering

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What is weathering?

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Weathering is the process that breaks down rocks and minerals into smaller pieces through physical, chemical, or biological means.

Tags

NGSS.MS-ESS2-2

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What is erosion?

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

Tags

NGSS.MS-ESS2-2

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What is deposition?

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Deposition is the process where particles carried by water, ice, or wind are deposited in a new location, forming new landforms.

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What causes biological weathering?

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Biological weathering is caused by living organisms, such as plants, animals, and humans, which can break down rocks and minerals.

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What is mechanical weathering?

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Mechanical weathering is the physical breakdown of rocks into smaller pieces without changing their chemical composition.

Tags

NGSS.MS-ESS2-2

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What is chemical weathering?

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Chemical weathering involves the chemical alteration of minerals in rocks, changing their composition and structure.

Tags

NGSS.MS-ESS2-2

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How does freezing water contribute to weathering?

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Freezing water expands in cracks of rocks, causing them to break apart, a process known as frost wedging.

Tags

NGSS.MS-ESS2-2

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What is an example of mechanical weathering?

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An example of mechanical weathering is the physical breaking of rocks by freeze-thaw cycles.

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What is an example of chemical weathering?

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An example of chemical weathering is the formation of rust when iron reacts with oxygen and moisture.

Tags

NGSS.MS-PS1-2

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What role do plants play in weathering?

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Plants can contribute to weathering through root growth, which can break apart rocks and soil.

Tags

NGSS.MS-LS2-3