Across
- 3. molten rock beneath the earth's
- 5. are subterranean reservior containing molten silicate fluid
- 12. the formation of new crust at mid-ocean ridges
- 14. a chain of volcanoes that forms along a convergent plate boundary
- 15. can be very hot,reaching temperatures of over 1,000 degrees celsius
Down
- 1. a deep, underwater valley form where two plate tectonics move apart
- 2. visible manifestations of the process of rock formation
- 4. The earth's crust is made out of large, moving plates
- 6. The supercontinent that existed millions of years ago
- 7. the outermost solid shell of a planet
- 8. can erupt from volcano
- 9. magma is often compared to a thick gooey substance
- 10. a layer inside a planetary body
- 11. Solidification of magma forms
- 13. a boundary between two plates that move away from each other