Plate Tectonic crossword

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Across
  1. 3. from each other at the mid-ocean ridges
  2. 7. boundary: A convergent boundary between two continental plates with no subduction, causing tall mountain ranges
  3. 8. One plate going under another plate
  4. 10. with major effects on the global climate and ecosystem.
  5. 11. the crust to form a volcano.
  6. 18. boundary: A plate boundary where two plates move away from each
  7. 19. boundary: A collision between an oceanic plate and a
  8. 21. the mantle in that region to melt. The molten magma rises up and breaks
  9. 25. landmasses. It is generally older and more complex than the oceanic crust.
  10. 27. a sudden and violent shaking of the ground, sometimes causing
  11. 28. volcano: an unusually large volcano having the potential to produce an
  12. 29. of Fire: the chain of volcanoes that line the Pacific ocean at subduction
  13. 31. boundary: occurs where two oceanic plates collide. Usually
  14. 32. together, or crash into each other.
  15. 33. Breaks in Earth's crust where rocks have slipped past each other.
Down
  1. 1. A scientist who studies fossils
  2. 2. plate pushes the oceanic plate into and under the continental plate.
  3. 4. destruction, as a result of movements within the earth's crust or volcanic
  4. 5. spreading: The process that creates new sea floor as plates move
  5. 6. crust: the relatively thick part of the earth's crust that forms the
  6. 9. in the older plate being subducted under the younger plate.
  7. 12. Formed by two continental plates colliding and forcing each other
  8. 13. boundary: A tectonic plate boundary where two plates collide,
  9. 14. Distribution: Evidence that fossils of the same species show up in areas
  10. 15. an intensely hot area in the mantle below Earth's crust. This heat
  11. 16. years ago.
  12. 17. theory: A theory stating that the earth's surface is broken into plates that
  13. 20. Wegner: The first scientist to suggest Pangaea existed
  14. 22. crust: thinner, more dense, younger crust making ocean floor
  15. 23. tectonics: Pieces of the Earth's crust that move due to convection currents.
  16. 24. by large oceans today
  17. 26. A deep, steep-sided canyon in the ocean floor.
  18. 30. A supercontinent containing all of Earth's land that existed about 225