CROSSWORD

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Across
  1. 5. separation of two plates
  2. 7. magnetic reversal is also called _______ of the earth
  3. 8. planar farcture,significant displacement as a result rock mass movement
  4. 10. produce by vibrating or flowing charges
  5. 12. magnet whose magnetic properties are produced by electric current
  6. 13. object that has the magnetic to attract objects
  7. 15. are preserved remains or traces of organism
  8. 18. is destroyed at the subduction zone and melts inside the mantle
  9. 19. the ability of solid to flow
  10. 20. the boundary that seperates the crust and the mantle
  11. 21. the process by which tge crust plunges back into the earth
  12. 23. ______ based his theory on evidences from fossils
  13. 24. supercontinenet
  14. 26. theory that states that all the continents were once one landmass that broke apart
  15. 27. big waves in the ocean
  16. 28. device that converts mechanical energy into electrical energy
  17. 29. branch that deals with the movement that shape the Earth's crust
  18. 30. particles,are soureces of electric fields results in an attraction or repultionof other nearby charges
Down
  1. 1. compass that tells us directions on earth
  2. 2. the rigid outerpart of the earth consisiting of the crust and upper mantle
  3. 3. sliding past each other
  4. 4. force,voltage that gives rise to an electric current
  5. 6. collision of two plates
  6. 9. process by which new ocean floor is formed
  7. 11. can step-up or step-down voltages
  8. 14. rigde where a new ocean floor is formed
  9. 16. current in the mantle heat from the inner layers the topmost solid part of the earth
  10. 17. low resistance instrument used to measure very small currents
  11. 21. is the other possible process involved in the tectonic plate movement
  12. 22. is the area around a magnet in which there is magnetic force
  13. 25. soft,weak upper portion of the mantle