Plate Tectonic Crossword

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Across
  1. 4. spreading Mid Ocean Ridge
  2. 6. the rigid outer part of the earth, consisting of the crust and upper mantle
  3. 8. drift Continents movement
  4. 12. two huge continents split
  5. 14. Wegner a man explains why continents seem to fit together
  6. 16. change the change in global climate patterns
  7. 18. Sections of earth crust
  8. 19. huge continent 180 million years ago
Down
  1. 1. Super Continent
  2. 2. the remains or impression of a prehistoric organism preserved in petrified form or as a mold or cast in rock
  3. 3. the upper layer of the earth's mantle, below the lithosphere
  4. 5. how many landmasses did all continents once form
  5. 7. reversal process that happens when Earth's magnetic poles change place
  6. 9. Core is a liquid layer about 2,266 km thick composed of iron and nickel
  7. 10. one of the broken up land mass
  8. 11. ridge areas where sea-floor spreading takes place
  9. 13. Hot melted rock inside the earth
  10. 15. a living organism that feeds on organic matter
  11. 17. Core its innermost part of Earth primarily solid ball with a radius of about 1,220 km
  12. 20. the solid mineral material