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Rock Cycle

MAIN IDEAS:

The rock cycle shows that any rock can turn into any other type of rock.

  1. Through the process of HEAT & PRESSURE, igneous and sedimentary rock become METAMORPHIC rock.
  2. Through the process of WEATHERING & EROSION, metamorphic and igneous rock become SEDIMENTARY rock.
  3. Through the process of MELTING, sedimentary and metamorphic rock become IGNEOUS rock.

VOCABULARY:

Erosion: the process by which the surface of the earth is worn away by the action of water, wind, glaciers, and waves.

Weathering: the various mechanical and chemical processes that cause exposed rock to decompose (ie: rain, wind, freezing and melting).

Sediment: particles of rock that have been broken down by weathering and erosion.

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