Rock Cycle

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What is a Metamorphic Rock?

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Rocks that form when heat and pressure change the structure, texture, and appearance of existing rocks.

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What is Erosion?

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The process of water, ice, wind, and gravity moving particles of rock and soil from one place to another.

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What is an Extrusive Igneous Rock?

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Rock that forms when magma reaches the earth’s surface, becomes lava, and cools quickly.

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What is a Mineral?

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Solids found in nature that have specific forms, structures, and features, made up of a repeating pattern of crystals.

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What is a Sedimentary Rock?

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Rock that forms when sediment compacts or cements in layers on the earth’s surface without heat or pressure.

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What is the Rock Cycle?

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The continuous process of rock formation and transformation, including igneous, sedimentary, and metamorphic rocks.

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What is Weathering?

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The breaking down of rocks into smaller pieces by natural forces such as wind, water, and temperature changes.

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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.

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What is Compaction in the context of Sedimentary Rocks?

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The process where sediments are pressed together under their own weight, leading to the formation of sedimentary rocks.

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What is Cementation?

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The process by which dissolved minerals crystallize and glue particles of sediment together, forming sedimentary rock.