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Rock Cycle

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The continuous process by which rocks are created, changed, destroyed, and then formed again.

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Weathering

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The breaking down of rocks, soil, and minerals through contact with the Earth's atmosphere, water, and biological organisms.

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Erosion

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The process by which soil and rock particles are worn away and moved elsewhere by wind, water, or ice.

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Deposition

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The geological process in which sediments, soil, and rocks are added to a landform or landmass.

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Igneous Rock

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

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Sedimentary Rock

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Rock that has formed through the deposition and solidification of sediment, especially sediment transported by water, ice, and wind.

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Metamorphic Rock

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Rock that has been changed by heat, pressure, and chemical processes, usually while buried deep below Earth's surface.

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Mineral

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A naturally occurring, inorganic solid with a definite chemical composition and a crystalline structure.

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Bedrock

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The solid rock layer beneath the soil and superficial rock.

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Parent Rock

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The original rock from which soil or other rocks are formed.