Across
- 3. convection currents in the molten rock
- 5. caused by convection current in the molten rock, or magma, that is housed in the mantle, which is the layer below the crust
- 8. two tectonic plates moving away from each other in opposite directions
- 10. a dark, dense rock that forms the ocean floor
Down
- 1. Earth's crust broken into seven pieces are called
- 2. rocky, outermost shell of Earth's interior
- 4. two tectonic plates come together, or converge, and overlap
- 6. two plates slide past each other
- 7. Ridges occur at divergent boundaries
- 9. occurs at divergent boundaries