Plate Tectonics

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Across
  1. 2. The Hawaiian Islands are a beautiful example of a hotspot chain. _______ volcano lies above the Hawaiian hotspot.
  2. 4. Mantle plumes are pipes of hot rock that rise through the mantle. The release of pressure causes melting near the surface to form a _________.
  3. 6. An ocean _________ marks the location where the plate is pushed down into the mantle.
  4. 9. Type of boundary where two plates move past each other in opposite directions.
  5. 10. The world’s highest mountains, the ___________, are the result of the collision of the Indian Plate with the Eurasian Plate.
  6. 12. Type of boundary where new seafloor forms.
  7. 13. Most of the Earth’s geologic activity takes place at plate ___________.
Down
  1. 1. When oceanic crust converges with continental crust, the denser oceanic plate plunges beneath the continental plate. This process, called ___________.
  2. 3. Type of boundary where two plates move toward each other.
  3. 5. The _________ Mountains are the remnants of a large mountain range that was created when North America rammed into Eurasia about 250 million years ago.
  4. 7. Plates move at a rate of a few ___________ a year, about the same rate fingernails grow.
  5. 8. Subduction of an oceanic plate beneath a continental plate causes earthquakes and forms a line of volcanoes known as a continental _________.
  6. 11. Island country that is being split apart by a divergent boundary.