Marine Science Chapter3

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Across
  1. 5. Landmass that is believed to have once been the only continent on earth surrounded by water
  2. 8. How fast (in centimetres) continents move per year
  3. 9. the uppermost layer of the earth, it is brittle and lightweight
  4. 11. invented the continental drift theory
  5. 13. layer of the earth that is approximate to the temperature of the sun
  6. 15. move along the earth's surface
  7. 16. mass per unit volume
  8. 17. heat transferred by contact
  9. 19. some of the oceanic crust will melt along with the sediments. As the plates come together water fills the empty space
  10. 21. Plates that move towards each other
  11. 22. Section of the Mantle that is hotter than the Asthenosphere
Down
  1. 1. less dramatic but are useful in analyzing Earth's interior structure
  2. 2. Plates that move apart
  3. 3. Consists of 68% of the mass of the earth
  4. 4. Ocean located left of California and Chile
  5. 6. one of the surface exresssions of plumes of magma rising from relatively stationery sources of heat in the mantle
  6. 7. form when divergent plates spilt
  7. 10. 7 landmasses located around the world
  8. 12. loss of energy through radiation
  9. 14. the ability of an object to float in a fluid by displacing a volume of that fluid equal in weight to the floating object's own weight
  10. 18. largest known plume
  11. 20. heat transferred without contact