Layers of the Earth

• Crust of the Earth

  The outermost solid layer of the Earth, ranging from 5-70 km thick.
• Inner Core - Inner most layer, located at the center.


  Made with Iron and Nickel
• Outer Core - Second innermost layer.


  Located between inner core and mantle
• Lower Mantle - Much Pressure, Less Viscous

  Beneath the Upper Mantle
• Upper Mantle - Much Viscous, Less Pressure 


  Beneath the Earth's Crust
• Oceanic Crust - Thin 


  Silica, Magnesium, and Basalt
• Continental Crust - Older and Thicker

  Silica, Aluminum, and Granite
• Lithosphere - STONE; Crust and Mantle
• Asthenosphere - PLASTIC-LIKE; below lithosphere