Plate Tectonics Vocabulary

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Across
  1. 2. usually formed when an oceanic plate slips underneath a continental plate
  2. 3. The theory of plates forming the Earth's crust that form its various landmasses (2 word phrase)
  3. 5. The molten layer of rock in Earth
  4. 6. deep valley formed by tectonic plate movement
  5. 7. ancient supercontinent
  6. 9. The surface layer of rock in earth
  7. 10. tectonic boundary that forms mountains
  8. 11. Break or crack in the Earth's crust
Down
  1. 1. The theory in which continents move around on the Earth's surface (2 word phrase)
  2. 4. tectonic boundary that makes earthquakes
  3. 8. tectonic boundary that forms valleys