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Rock Cycle PowerPoint Presentation

Rock Cycle

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Rock Cycle

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  1. Rock Cycle

  2. Igneous Rock • Formed when magma cools • Inside the Earth • Can be heated under pressure • Becomes metamorphic rock • Can be melted again to form new magma • Above the ground • Can be weathered and eroded • Becomes sedimentary rock

  3. Sedimentary Rock • Formed when sediments compact & cement into layers • Inside the Earth • Can be heated under pressure to form metamorphic rock • Above the ground • Can be weathered again to form more new sediment

  4. Metamorphic Rock • Formed when rock changes under heat & pressure • Inside the Earth • May melt to form magma • Above the ground • May weather & erode to form sediment

  5. http://www.cet.edu/ete/modules/msese/earthsysflr/rock.html