Across
- 1. form of melted igneous rock; hot
- 3. a dark, dense rock that forms toceaneam floor
- 5. what two plates slide past each other
- 7. two tectonic plates moving away from each other in oppsite directions
- 8. occurs at divergent boundaries
- 9. outermost layer of the Earth
Down
- 2. light low-density rock that forms continental plates
- 3. the limits of an area
- 4. when two tectonic plates come together
- 6. layer below the crust