Plate Tectonics Crossword Puzzel

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Across
  1. 4. a type of plate boundary where the plates slowly Collide into each other
  2. 5. large water mass
  3. 6. a large segment of the Earth's crust that slowly moves
  4. 11. a theory that explained how continents shift position on Earth's surface made 1912
  5. 13. An area of fracturing between rocks resulting from stress.
  6. 14. is the edges where two plates meet.
  7. 15. the uppermost solid part of the Earth's crust
  8. 16. describes the outermost shell of a terrestrial planet and is made of solid rocks and minerals.
  9. 17. An area of rock that has been bent by stress.
  10. 19. earths layer with crust and upper mantle
  11. 20. a mountain or hill type thing having a crater or vent through which lava, rock fragments, hot vapor, and gas are being or have been erupted from the earth's crust.
Down
  1. 1. A type of plate boundary where all plates slowly move apart from each other
  2. 2. long, narrow depressions on the seafloor that form at the boundary of tectonic plates where one plate is pushed, or subducts, beneath another.
  3. 3. Layer of molten rock which the crust floats on top of
  4. 7. Geographical study of the Earth's structure
  5. 8. The center of the Earth that is very hot
  6. 9. The shape and features of the surface of the land
  7. 10. a giant prehistorical landmass where all seven modern continents were fused together
  8. 12. the preserved remains of ancient once lived organisms
  9. 18. a german scientist who first built a case t support the continental drift