Terms: Tectonic Plate , Fossils , Index Fossils , Plate Tectonics , Mantle, Crust , Continental drift, Alfred Wegener , Definitions : Huge piece of crust that slowly moves on the upper, ductile part of the mantle, The mineralized remains of organisms, showing how long-dead organisms lived and how their bodies were structured , Fossils that are widespread, come from organisms that lived over a relatively short period of time, and could be used to correlate rock strata , The theory that the crust is divided into large pieces called tectonic plates that slowly move on top of the mantle, The solid layer of Earth between the crust and the core; made of dense silicates:, The thin, solid, outermost layer of Earth; is either continental or oceanic , The theory that continents were once connected but have drifted apart, a German meteorologist and geophysicist who developed the first theory of continental drift and formulated the idea that a supercontinent known as Pangaea existed on the Earth millions of years ago.,

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