Across
- 5. cone-shaped mountains
- 7. are large volumes of molten lava
- 8. is a relative measure of the explosiveness of volcanic eruptions
- 11. a mountain or hill, typically conical
- 14. At Earth’s surface, lava is released through openings
- 15. Molten rock beneath the surface
- 17. an area where magma erupts from a volcano
- 18. plate boundaries pulling
Down
- 1. rapid formation and expansion of gas bubbles in the molten rock
- 2. very wide and a gentle slope,
- 3. lava and gas are discharged
- 4. plate boundaries, pushing
- 6. magma with high feldspar and silica content.
- 9. lava in the interior travels through long pipe
- 10. steep, cone-shaped hill
- 12. magma reaches the earth surface
- 13. magma that feeds the eruptions pools deep underground in a structure
- 16. rocks and magma rich in magnesium and iron