Across
- 2. where two plates separate
- 6. force created by sinking of a plate, or slab, that pulls on the rest of the plate
- 7. where two plates slide by each other
- 8. theory that Earth’s surface is made of rock plates that move with respect to each other
- 9. circulation of material caused by differences in temperature and density
Down
- 1. where two plates collide
- 3. cold, rigid outermost rock layer of Earth
- 4. force created by rising mantle of ocean ridges that creates potential for plates to move away from the ridge
- 5. capable of being molded or changing shape
- 6. sinking of a denser plate below a more buoyant plate at a convergent plate boundary