plate techtonics

12345678910111213
Across
  1. 3. consists of all crustt as well as the upper rigid part of the mantle
  2. 5. the landmass that existed when all continents were joined together
  3. 9. occurrs when 2 tectonic plates collide and one plate moves under the other and other sinks under the mantle
  4. 11. boundary between 2 plates moving away from each other
  5. 12. theory explaining how tectonic plates move and change shape
  6. 13. geman scientist that developed the theory of continental drift
Down
  1. 1. boundary formed by collision of 2 plates
  2. 2. hypothisis that the continents once formed a single land mass broke up and drifted away
  3. 4. boundary between 2 plates that are scraping past each other
  4. 6. the broken up pieces of the lithosphere
  5. 7. prosess of new oceanic crust forming as magma rises toward the surfuse an solidifies
  6. 8. places where tectonic plates meet
  7. 10. ring of volcanos around the pacific plate