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