Igneous Rocks: Forms from melting and cooling, Usually forms near volcanoes or lava pools, Can form from magma or lava, Can be extrusive (out of the volcano) or intrusive (inside)), Metamorphic Rocks: Forms from high heat and pressure, Usually forms from tectonic plate movement or beneath the surface, Results in significant change in appearance. (metamorphosis = change) , Sedimentary Rocks: Forms from compacting and cementing, Requires sediment from weathering and erosion to form. , Usually forms near water,

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