judah's cross word puzzle

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Across
  1. 4. a valley where 2 tectonic plates move apart.
  2. 5. currents that help magma flow in the mantle
  3. 6. the innermost layer of the core.
  4. 7. the melted rock in the mantle.
  5. 14. trench a trench formed at a divergent boundary.
  6. 15. a word used to describe rocks.
  7. 17. used to find how deep the ocean is.
  8. 18. the rock that makes up the oceanic crust.
  9. 19. the super continent formed 250 million years ago.
  10. 20. the outer most layer of earth.
  11. 21. when 2 oceanic plates spread apart this happens.
  12. 22. core the outer most layer of the core.
  13. 23. the rock that makes up the continental crust.
  14. 24. when the ground shakes violently.
Down
  1. 1. the process in witch one plate slides unnder the other plate usaly the more dense one
  2. 2. when the magnetic feild of earth changes
  3. 3. where 2 tectonic plates push each other.
  4. 8. the first Suggested continental drift.
  5. 9. the feild of energy that 2 magnets produce
  6. 10. the theroy the theroy that the whole earth is on plate tectonics
  7. 11. the middle layer of the earth.
  8. 12. the crust that is under water.
  9. 13. a word used to describe liquid rock or metal.
  10. 16. when 2 tectonic plates move away from each other
  11. 17. shot out of sonars to find how deep the ocean is