Rock Cycle

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What is the Rock Cycle?

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The Rock Cycle is a continuous process that describes how rocks change from one type to another over time through processes like weathering, erosion, melting, and cooling.

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What is physical weathering?

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Physical weathering is the process of breaking down rocks into smaller pieces without changing their chemical composition, such as through frost wedging.

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What is chemical weathering?

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Chemical weathering involves the chemical alteration of minerals in rocks, often due to reactions with water, acids, or gases.

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What is magma?

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Magma is molten rock located beneath the Earth's surface that can form igneous rocks when it cools and solidifies.

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What is lava?

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Lava is magma that has reached the Earth's surface through a volcano and can solidify to form igneous rock.

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What are igneous rocks?

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

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What are sedimentary rocks?

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Sedimentary rocks are formed from the accumulation and compaction of mineral and organic particles, often in layers.

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What are metamorphic rocks?

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Metamorphic rocks are formed from existing rocks that have been changed by heat, pressure, or chemically active fluids.

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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 the role of convection currents in the mantle?

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Convection currents in the mantle are responsible for the movement of tectonic plates, which can lead to geological events like earthquakes and volcanic eruptions.