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6. How thick is the core?

  • 5200km radius
  • 7600km radius
  • 3500km radius
  • Size of Mars
  • 4600km radius
  • 2900km radius
  • 6500km radius

7. What is the temperature of the core?

  • 5400 degrees
  • 4000 degrees
  • 3400 degrees
  • 6200 degrees
  • 5000+ degrees
  • 2900 degrees
  • 5300 degrees

8. How hot is the mantle?

  • 5000+ degrees
  • 6000 degrees
  • 3500 degrees
  • 4567 degrees

9. What is the lithosphere?

  • The crust and solid upper part of the mantle
  • Boundary between plates
  • The atmosphere around Earth
  • The Benihoff zone

10. How thick is the mantle?

  • 2300km thick
  • 2900km thick
  • 2300km thick
  • 1900km thick
  • 200km thick
  • 5200km thick
  • 4500km thick