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Christine Allen 3rd Hour Mr. Maynard’s Science The layer that we live on is called the lithosphere. The lithosphere is composed of igneous, metamorphic, and sedimentary rocks .It is made up of two types of crust: oceanic crust , and continental crust. http://geology.about.co m/library/bl/blnutshell_ lithosphere.htm Click here to find out more! ^ The next layer is below the lithosphere. It is called the mantle. The Mantle is made of silicate rocks rich in iron and magnesium. http://www.universetoday.com/guid e-to-space/earth/earths-mantle/ Click Here To Find Out More!^ http://www.ucsc.edu/currents/01-02/1203/earth.html Click Her To Find Out More!^ The next layer, below the mantle is the outer core. The outer core is a liquid molten core of nickel and iron. Last there’s the inner core, a solid metal core made up of nickle and iron. This is always turning and gives earth it's magnetic field. (See movie “The Core”) http://www.univ ersetoday.com/g uide-tospace/earth/eart hs-outer-core/ Click Her To Find Out More!^ •http://www.windows.ucar.edu/tour/link=/earth/Interior_Structure/inte rior.html •http://www.moorlandschool.co.uk/earth/earths_structure.htm •http://geology.about.com/od/mantle/tp/mantleintro.htm •http://geology.com/nsta/earth-internal-structure.shtml •http://www.encyclopedia.com/topic/mantle.aspx
