Rock Cycle

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What is the Rock Cycle?

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The Rock Cycle is a continuous process that describes the transformation of rocks through various geological processes, including igneous, sedimentary, and metamorphic formations.

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What are the three main types of rocks?

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The three main types of rocks are igneous, sedimentary, and metamorphic.

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How are igneous rocks formed?

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Igneous rocks are formed from the cooling and solidification of magma or lava.

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What is weathering?

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Weathering is the process that breaks down rocks into smaller pieces, known as sediment, through physical or chemical means.

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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 wind, water, or ice.

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What is sedimentation?

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Sedimentation is the process of depositing sediment that has been transported by erosion, leading to the formation of sedimentary rocks.

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What is compaction in the context of sedimentary rocks?

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Compaction is the process where sediments are pressed together under pressure, reducing their volume and leading to the formation of sedimentary rocks.

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What is cementation?

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Cementation is the process where dissolved minerals precipitate from water and fill the spaces between sediment grains, binding them together to form sedimentary rock.

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How are metamorphic rocks formed?

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Metamorphic rocks are formed from existing rocks that undergo changes due to heat, pressure, or chemically active fluids.

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What is the difference between intrusive and extrusive igneous rocks?

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Intrusive igneous rocks form from magma that cools slowly beneath the Earth's surface, while extrusive igneous rocks form from lava that cools quickly on the surface.