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The Rock Cycle

20 minutes 21 seconds

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Still image from The Rock Cycle

Rocks, a naturally formed material that covers the earth, are classified by their origin. Discusses rocks' composition, three types (igneous, sedimentary, and metamorphic), how they are formed, and how they are changed. The rock cycle is a slow, ongoing process.

Media Details

Runtime: 20 minutes 21 seconds

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Grade Level: 7 - 12
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Viewer Comments

  • Tiny georgia website
    Anonymous (LONG BEACH, CA)
    November 9th, 2015 at 10:07 AM

    This is my favorite in this series of rock movies as it describes in detail the processes involved to change each rock.