Earth's Changing Surface

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What is weathering?

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The breaking down of Earth’s crust into smaller and smaller pieces.

Tags

NGSS.MS-ESS2-2

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What is physical weathering?

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The process that causes rocks to break down into smaller pieces without changing their chemical composition.

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What is chemical weathering?

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The process that causes rocks to break down due to chemical changes in their composition.

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What is erosion?

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The process by which water, ice, wind, or gravity moves fragments of rock and soil.

Tags

NGSS.MS-ESS2-2

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What is deposition?

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The process by which water, ice, wind, or gravity deposits rock sediments and soil in a new place.

Front

What is ice wedging?

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A type of physical weathering where water seeps into cracks, freezes, and expands, causing the rock to break apart.

Tags

NGSS.MS-ESS2-2

Front

What is rusting in rocks?

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A form of chemical weathering where exposure to rain and oxygen causes metal minerals in rocks to rust and fall apart.

Tags

NGSS.MS-ESS2-2

NGSS.MS-PS1-2

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What is the difference between weathering and erosion?

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Weathering is the breaking down of rocks, while erosion is the movement of those broken pieces.

Tags

NGSS.MS-ESS2-2

Front

What role does gravity play in erosion?

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Gravity pulls rocks and soil down slopes, contributing to erosion.

Tags

NGSS.MS-ESS2-2

Front

What is the impact of wind on weathering?

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Wind can erode rocks by carrying sand and other particles that wear away surfaces.

Tags

NGSS.MS-ESS2-2