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6. At what depth is the lower mantle-outer core boundary?

  • 5100km
  • 2900km
  • 700km

7. What is the density of the Oceanic Crust?

  • 2.5g/cm3
  • 2.9g/cm3
  • 2.7g/cm3

8. Which planets have the higher density?

  • Both the same
  • Terrestrials
  • Gas Giants

9. What percentage of the astenosphere is partially melted?

  • 5%
  • 10%
  • 15%

10. Which is the correct sequence for the solar system?

  • Mercury-Venus-Earth-Mars-Saturn-Uranus-Neptune-Pluto
  • Mercury-Venus-Earth-Mars-Jupiter-Saturn-Uranus-Neptune
  • Mercury-Venus-Earth-Mars-Saturn-Uranus-Neptune

11. What is the depth of the Earth?

  • 6371km
  • 5100km
  • 7654km

12. How long ago was the Big Bang?

  • 14 Billion years
  • 4.5 Billion Years
  • 9 Billion Years

13. What is the age of the oldest oceanic crust?

  • 200Ma
  • 4000Ma
  • 400Ma

14. What is the average density of the Earth?

  • 5.5g/cm3
  • 4.3g/cm3
  • 6.2g/cm3