Weathering and Erosion

Front

What is weathering?

Back

The process of breaking down rocks into smaller pieces.

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What is erosion?

Back

The movement of sediment from one place to another.

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What is deposition?

Back

The process where sediment settles and accumulates in a new location.

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What is chemical weathering?

Back

The breakdown of rocks through chemical reactions, often involving water and acids.

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What is mechanical weathering?

Back

The physical breaking down of rocks without changing their chemical composition.

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What role does water play in weathering?

Back

Water can cause both chemical and mechanical weathering by dissolving minerals and freezing in cracks.

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What is an example of chemical weathering?

Back

Rainwater mixing with carbon dioxide to form a weak acid that dissolves rocks.

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What is an example of mechanical weathering?

Back

Water freezing in cracks of rocks, causing them to split apart.

Front

What are the agents of erosion?

Back

Water, wind, ice, and gravity.

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How do tree roots contribute to weathering?

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Tree roots can grow into rock crevices, pushing them apart and causing mechanical weathering.