Weathering, Erosion, Deposition

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What is weathering?

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The process of breaking down rocks 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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The process by which rock fragments are transported from one location to another by wind, water, ice, or gravity.

Tags

NGSS.MS-ESS2-2

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What is deposition?

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The process by which sediments, soil, and rocks are added to a landform or land mass.

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What is physical weathering?

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The breakdown of rocks into smaller pieces without changing their chemical composition, often due to temperature changes, freeze-thaw cycles, or pressure.

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What is chemical weathering?

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The breakdown of rocks through chemical reactions, often involving water and substances in the environment, leading to changes in the mineral composition.

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-2

NGSS.MS-ESS2-4

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How do plants contribute to weathering?

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Plants can weather rocks by growing roots into cracks, which expand and break the rock apart.

Tags

NGSS.MS-ESS2-2

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What role does water play in erosion?

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Water can carry away soil and rock particles, reshaping landscapes through processes like river flow and rainfall.

Tags

NGSS.MS-ESS2-2

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What is an example of physical weathering?

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An example of physical weathering is the cracking of rocks due to 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 dissolution of limestone in acidic rainwater.

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What is the difference between erosion and deposition?

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Erosion involves the transport of materials, while deposition involves the settling and accumulation of those materials in a new location.

Tags

NGSS.MS-ESS2-2