Across
- 2. giant plates
- 4. deep rift valley from divergent boundary
- 5. lithosphere broken up
- 6. lithosphere divided into dozens
- 7. violent shake of ground
- 8. transfer of heat
- 9. movement of edge of plate into mantle beneath
- 10. close together
- 11. large wave cause by earthquake
- 12. deepest plugging feature
- 13. separate from each other
Down
- 1. dramatic change in appearance
- 3. new ocean crust formed mid ocean
- 5. Pangaea becoming the 7 continent