Weathering and Erosion

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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.

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What is erosion?

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The process of moving weathered rock and soil from one location to another, often by water, wind, or ice.

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What is chemical weathering?

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

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What is frost wedging?

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A physical weathering process where water seeps into cracks in rocks, freezes, and expands, causing the rock to break apart.

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What is cementation?

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The process where minerals precipitate from water and fill the spaces between sediment grains, binding them together.

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What is the rock cycle?

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A continuous process where rocks are formed, broken down, and reformed through geological processes.

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What is igneous rock?

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Rock formed from the cooling and solidification of magma or lava.

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What is metamorphic rock?

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Rock that has been changed from its original form due to heat, pressure, or chemically active fluids.

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What is sedimentary rock?

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Rock formed from the accumulation and compaction of sediment, often containing fossils.

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What is the difference between magma and lava?

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Magma is molten rock beneath the Earth's surface, while lava is magma that has reached the surface.