Across
- 4. a type of volcano that is large with gentle slopes; common along divergent plate boundaries; made of basaltic lava
- 5. a type of volcano that large and steep-sided; common along convergent plate boundaries; has a mix of andesitic and rhyolitic lava and ash
- 8. molten rock above Earth's surface
- 10. an area of seismic activity that surrounds the Pacific Ocean
Down
- 1. large, volcanic depression formed when a volcano's summit collapses/blown away by explosive activity
- 2. a liquid's resistance to flow
- 3. a type of volcano that is small and steep-sided; made of basaltic lava
- 4. main content of magma
- 6. molten rock below Earth's surface
- 7. a vent in Earth's crust through which melted/molten rock flows
- 9. a volcano not associated with plate boundaries