Tic-Tac-Tonic Project

12345678910111213141516171819
Across
  1. 8. Broken up pieces of lithosphere?
  2. 9. What happens at a divergent boundary?
  3. 10. What layer do the tectonic plates move on?
  4. 11. What causes the Tectonic Plates to move?
  5. 12. ________ drift?
  6. 13. What boundary slides against each other?
  7. 16. What is the supercontinent called?
  8. 17. What boundary collides?
  9. 18. What happens at a transform boundary?
  10. 19. Traces of ancient life?
Down
  1. 1. What is it called when one plate sinks under another plate?
  2. 2. What plate is heavier?
  3. 3. Who came up with the Continental Drift Theory?
  4. 4. What boundary pulls away?
  5. 5. What id formed when an oceanic plate subducts under a continental plate?
  6. 6. What plate is located in the Southeast Pacific Ocean?
  7. 7. What happens at a fault line?
  8. 14. _____ are formed when 2 plates collide?
  9. 15. Sea-floor______