plate tectonics

12345678910111213
Across
  1. 2. where two plates seperate
  2. 5. magnetic feild reverses directions
  3. 8. which suggested that continents are in constant motion on the surface of earth
  4. 9. rigid slats of rocks or plates
  5. 10. the denser plate sinks below
  6. 11. form where two plates slide past each other
  7. 12. the cold and rigid outermost rock layer is called
  8. 13. a state in which magnetized objects such as needles
Down
  1. 1. is the process of the mid-ocean crust moves
  2. 3. the area where a denser plate desendes into earth
  3. 4. all the continents were once part of a supercontinent called
  4. 6. magnetized objects would reverse direction
  5. 7. the mountain ranges in the middle of the oceans are called