Magma - Molten rock, Igneous Rock - Rock formed by cooled lava, Sediment - Rock fragments like sand, clay, silt, Sedimentary Rock - Rock formed by layer of sediment compacting-often contain fossils, Metamorphic Rock - Rock formed deep in the Earth by heat and pressure, The ROCK CYCLE - Describes process of rock transformation, Weathering - Breaking rock down, Erosion - Movement of sedimen by wind, water, gravity, Deposition - Laying down of sediment,

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