Rocks – The Rock Cycle

The Earth is a dynamic planet, and its rocks
are constantly changing. The rock cycle shows how different natural processes transform
rocks from one type to another. To access a comprehensive array of complete
multimedia lessons, as well as the most up-to-date, standards-based curriculum content that’s
researched, proven and teacher-approved, visit to create your FREE online
learning account now! Each multimedia lesson includes animated presentations interactive
activities, virtual labs, vocabulary exercises and standards-based assessments.

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