GEOGRAPHY Dyamic Planet

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INSIDE THE EARTH

 Inner Core

  • 5100km down from ground level to the very center of Earth
  • a solid, over 5000 degrees
  • we know its solid through tracking Earthquakes

Outer Core

  • 2,900km down from ground level and ends where the Inner Core starts
  • 9.9-12.2 grams in density
  • made of molten IRON AND NICKEL 
  • between 4000 and 5000 degrees in temperature

Lower Mantle

  • biggest section within Earth 
  • from 700km down to 2900 (where it meets the Outer Core)
  • nearest to Outer Core is called Lower Mantle
  • Lower Mantle is solid rock called Peridot, 5gram density

Asthenosphere

  • highest part of the Mantle
  • partially molten rock, partially Peridot
  • between 900 and 1600 degrees

Lithosphere

  • upper part of the Earth, from top of Mantle to highest mountain
  • a part of the Earths crust
  • contains the CONTINENTAL CRUST and OCEANIC CRUST

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