Across
- 5. zone where one plate goes under the other
- 7. plate that includes France
- 9. region of crust and upper mantle
- 10. plates are moving towards each other
- 11. edges of two plates
- 12. composed mostly of ultramafic silicates
- 15. fracture or discontinuity in a volume of rock
- 16. horizontal movement of plates
Down
- 1. denser, thinner crust
- 2. island structure that forms near subduction zones
- 3. plates are moving away from each other
- 4. one component of the inner core
- 6. discontinuity between crust and mantle
- 8. discontinuity between the inner and outer core
- 10. movement caused by hot substances rising
- 13. semi-molten rock layer
- 14. forms at divergent boundaries