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How Rocks Form

How Rocks Form

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How Rocks Form

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  1. How Rocks Form

  2. Key Concept • Geologists classify rocks into three major groups: Igneous Rock Sedimentary Rock Metamorphic Rock

  3. How Are Rocks Classified? • Igneous Rock- forms when magma or lava cools. • Sedimentary Rock- forms when particles are pressed and stuck together. • Metamorphic Rock- forms when heat and pressure change any kind of rock.