Vocab crossword

4. a state in which magnetized objects, such as compass needles, will orient themselves to point north
6. the continents were once part of a supercontinent
8. form where two plates collide
12. the process by which new oceanic crust forms along a mid-ocean ridge and older oceanic crust moves away from the ridge
14. forms where two plates slide past eachother
15. occurs and the magnetic field reverses direction

1. a slab sinks, it pulls on the rest of the plate with force
2. a state in which magnetized objects would reverse directions and orient themselves to point south
3. the circulation of material caused by differences in temperature and density
5. which suggested that continents are in constant motion on the surface of earth
7. forms where two plates separate
9. the mountain ranges in the middle of the oceans
10. rising mantle material at mid-ocean ridges creates the potential for plates to move away from the ridge with force
11. earth´s surface is made of rigid slabs of rock, or pates, that move with respect to each other
13. the denser plate sinks below the more buoyant plate
16. the cold rigid outermost rock layer