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 melting, cooling, erosion, and compaction.

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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 do igneous rocks form?

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Igneous rocks form from the cooling and solidification of molten rock (magma or lava).

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What is sediment?

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Sediment is small, solid pieces of material that come from rocks or living things, often formed through weathering.

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What is weathering?

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Weathering is the process of breaking down rocks into smaller pieces through natural forces like wind, water, and temperature changes.

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What is erosion?

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Erosion is the process by which sediment is moved from one place to another, often by water, wind, or ice.

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What is deposition?

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Deposition is the process where sediment is laid down in new locations, often forming layers.

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Where do metamorphic rocks form?

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Metamorphic rocks form deep underground where heat and pressure change existing rocks.

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What is the role of the Earth's hot interior in the rock cycle?

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The Earth's hot interior provides the heat necessary for the formation of metamorphic rocks and the melting of rocks to form magma.

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How do sedimentary rocks form?

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Sedimentary rocks form from the accumulation and compaction of sediments, often in water.