Plate Tectonics Review Crossword

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Across
  1. 5. Pangaea means ___________.
  2. 6. Alfred Wegener used geologic ___________ to support continental drift.
  3. 11. Alfred Wegener used identical _________ of plants and animals found in areas once connected to support continental drift.
  4. 14. A mid-ocean ridge is a chain or underwater ___________ that run throughout the ocean basins, have a total length of 65,000 km, and contain active and extinct volcanoes
  5. 16. Describes how tectonic plates move and shape Earth's surface
  6. 17. Huge pieces of crust and rigid upper mantle that fit together at their edges
  7. 19. Type of boundary that have long faults and shallow earthquakes
  8. 21. The plastic-like layer of the mantle that the plates move around on
  9. 22. Alfred Wegener used climate ________ to support continental drift.
  10. 24. German Meteorologist who came up with continental drift
Down
  1. 1. Type of boundary the causes ocean basins to expand
  2. 2. Type of boundary where 2 plates are moving apart
  3. 3. The transfer of thermal energy by the movement of heated material from one place to another
  4. 4. States the the seafloor is young because it is moving apart in the middle
  5. 7. Type of boundary where 2 plates move towards each other
  6. 8. Alfred Wegener used the similarities in the _______ of continents to support continental drift.
  7. 9. Scientists believe that this causes the motion of tectonic plates
  8. 10. Type of boundary found along the seafloor in rift valleys
  9. 12. Occurs when 2 plates collide, and the denser plate moves below the less dense plate
  10. 13. The Earth's crust and the rigid layer of the mantle that is connected to the crust
  11. 15. Type of boundary where 2 plates slide horizontally past each other
  12. 18. States that the continents once formed a single landmass, broke up, and drifted to their present locations
  13. 20. Geologist who came up with seafloor spreading
  14. 23. Number of major plates