Rock Cycle Display

ITEM #501d
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Rocks and minerals come in countless forms and structures, but they all result from natural recycling through combinations of weathering, compression, heating, melting and cooling. This unique 8" X 12" presentation goes beyond just classifying all rocks as either Igneous, Sedimentary or Metamorphic, yet simplifies the transition between these forms by using color-coded arrows to represent the changes. Melting (red arrows) forms magma from any of the rock groups - cooling of magma (blue arrow) forms igneous rocks - weathering and erosion (green arrows) form sediments from any group - compacted and cemented sediments (black arrow) form sedimentary rocks - heating and pressure combined (orange arrows) form metamorphic rocks. A must-have visual aid that allows students to see the simplicity of a process that often seems very complicated through text and charts alone.

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