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The Rock Cycle
Rocks are classified into three main groups, according to how they are formed: (1) igneous rocks,
(2) sedimentary rocks and (3) metamorphic rocks. Rocks are never actually destroyed; they are broken down and "recycled" in the rock cycle.
|Rock Cycle Diagram modified from National Aeronautics and Space Administration|
TEST YOURSELF -
Transform the Rock
"Rock Cycle" BrainPOP Movie
Harcourt "Rock Cycle"
Water Cycle | ROCK CYCLE | Carbon Cycle | Nitrogen Cycle | Interactive Assessment Worksheets © by Alan & Hui Meng