Igneous Rocks: Forms from melting and cooling, Usually forms near volcanoes or lava pools, Can form from magma or lava, Can be extrusive (large crystals) or intrusive (small crystals), Metamorphic Rocks: Forms from high heat and pressure, Usually forms from tectonic plate movement or beneath the surface, Results in significant change in appearance and shape, Usually has uneven stripes or lines as a result of the change in shape, Sedimentary Rocks: Forms from compacting and cementing, Requires sediment from weathering and erosion to formq, May have layers (strata) or rocky "chunks" within the rock, Usually forms near water,

Rock Types

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