Plate Tectonics and Geologic History

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Across
  1. 1. the continents fit _______
  2. 4. There are many _______ volcanos on the west coast of Canada
  3. 6. _________ plates are in constant motion
  4. 7. There are many volcanos in the ______ ocean
  5. 8. The mega continent
Down
  1. 2. _________ happen when tectonic plates collide
  2. 3. _________ are huge land masses
  3. 5. ________ are a result of plate tectonics
  4. 7. ______ tectonics