journey to the center of earth l.
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Journey to the Center of Earth. Layers of the Earth. Crust Mantle Outer Core Inner Core. The Crust. Layer that we live on (Lithosphere) 5-25 miles thick Consists of cooled rock Thinnest layer of the earth There are 2 kinds of Crust: Continental (thicker) and Oceanic (thinner). Crust.

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layers of the earth
Layers of the Earth
  • Crust
  • Mantle
  • Outer Core
  • Inner Core
the crust
The Crust
  • Layer that we live on (Lithosphere)
  • 5-25 miles thick
  • Consists of cooled rock
  • Thinnest layer of the earth
  • There are 2 kinds of Crust: Continental (thicker) and Oceanic (thinner)
the mantle
The Mantle
  • Semi-liquid (magma)
  • 3000 km wide
  • softer closer to the surface (Asthenosphere)
  • Has convection currents that move the continental plates
the outer core
The Outer Core
  • Liquid, molten rock
  • Very high temperatures
  • Made of Nickel and Iron
the inner core
The Inner Core
  • Solid layer
  • Solid because of high pressure
  • Mostly Iron
  • 6,000 degree Celsius.
  • 2,100 km wide