Across
- 4. (2 words) a volcanically active area of Earth's surface far from a tectonic plate boundary
- 5. a slab of volcanic rock formed when magma forces itself vertically across rock layers
- 7. volcano with wide, gently sloping sides that forms from quiet eruptions
- 10. (3 words) area of volcanic and seismic activity that surrounds the Pacific plate
- 11. (2 words) forms as magma hardens inside a pipe
- 13. an opening in a volcano
- 15. molten rock below the Earth's surface
- 16. molten rock is at or above the Earth's surface
- 17. (2 words) forms from lava flowing out of the cracks in the crust
Down
- 1. eruoption that occrus with magma that is very hot or low in silica
- 2. volcano formed by alternating europtions of lava and ash
- 3. eruption that occurs with magma that is high in silica
- 6. volcano that is not expected to erupt
- 8. volcano that is not currently erupting, but is expected to do so in the future
- 9. hole or space left when the top of a volcano collapses
- 12. bowl-shaped area at the top of a volcano
- 14. (2 words) refers to the process of lava moving across the surface
