Parker Ellis' Dynamic Earth Vocabulary

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Across
  1. 1. the theory that states that the plates are in slow constant motion
  2. 3. when earths magnetic field flips it is called a
  3. 5. what earthquakes produce.
  4. 9. a molten mixture of rock, gases, and water
  5. 10. the rock below the crust that is a hot layer of rock and 3000 kilometers thick
  6. 14. The theory Alfred Wegener proposed about how the continents move
  7. 15. The person who made the theory of continental drift
  8. 17. A rapid shaking made by the moving in bursts along a transform boundary
  9. 18. feature of Divergent boundaries on land
  10. 19. when a more dense plate goes under a less dense plate
  11. 21. the crust and upper mantle broken up into pieces
  12. 22. a layer of molten metal surrounding the inner core
  13. 23. the plates slip past each other at this boundary
  14. 24. a dense ball of sold metal in the center of the earth
  15. 25. a type of crust made from granite
Down
  1. 2. a type of crust made of dense basalt
  2. 4. the rock that forms earths outer layer
  3. 6. a long chain of undersea mountains
  4. 7. a dark iron rich igneous rock
  5. 8. the study of earths magnetic polarity
  6. 11. when hot material goes up cools then goes back down in earths mantle driving motion
  7. 12. the plates move apart at this boundary
  8. 13. the plates move toward each other at this boundary
  9. 16. in this process molten rock flows through a crack in earths crust and hardens on both sides of the crack
  10. 20. undersea valleys that that are in the deepest parts of the ocean