Across
- 4. the hot substance inside the volcano's chamber.
- 5. the shake of the Earth
- 7. the outer part of the earth,includes the crust and upper mantle
- 8. a dark fine-grained volcanic rock.
- 9. cone shaped mountain containing magma.
- 12. The earth's under plates which float on and travel independently over the mantle
- 13. the upper layer of the earth's mantle
- 14. a supercontinent that included all current land masses.
Down
- 1. The boundary regions between plates.
- 2. it's the part of the earth between the core and the the crust.
- 3. streams of molten rock that pour or ooze from an erupting volcano.
- 6. the thin part of the earth's crust, underneath the ocean.
- 10. the moving away of plate boundaries.
- 11. plates moving closer together.