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DYNAMIC EARTH PART 2 Plate Tectonic—the moving of lithospheric plates resulting in major geological events Geological Events—events such as earthquakes, volcanic eruptions, and mountain building that are results of plate movements Lithosphere—top most solid part of the Earth that is composed of the crust and some of the mantle Crust—the surface layer of the Earth Upper Mantle—layer of Earth just below the Earth’s crust that is liquid molten rock Convecting Mantle— the movement of heat through the Earth's mantle from the center (core) toward the surface (crust) Metallic Core—the solid innermost layer of the Earth made mostly of iron and nickel Rocks—a naturally occurring hard substance made of one or more minerals or mineral like substances Rock Layers— an area of rock that was all made (deposited) at the same time and has similar composition (make-up) Fossils—the preserved remains or traces of an ancient organism