Across
- 4. - Plate boundary where one plate sinks beneath another
- 5. - Study of Earth's internal structure and movement
- 7. - Volcano type with gentle slopes of 2–10 degrees
- 10. - Dark volcanic rock with low silica content and fast flow
- 12. - Melting caused by reduction in pressure
- 13. - Melting caused by addition of water or volatiles
- 15. - Small, steep-sided cone formed from pyroclastic debris
Down
- 1. - Eruption type that ejects ash and pyroclastic fragments
- 2. - Property of magma that affects how fast or slow it flows
- 3. - Volcano type with alternating lava flows and pyroclastic layers
- 6. - Plate boundary where plates move apart, forming mid-ocean ridges
- 8. - Volcanic source that stays fixed while plates move above it
- 9. - Molten rock beneath the Earth's surface
- 11. - Process where magma cools and forms igneous rock
- 14. - Temperature at which minerals begin to melt