Across
- 3. World's most active volcano that is located over a hot spot
- 5. stress that pulls a material apart
- 10. stress that decreases the volume of a material
- 12. Corresponds to the outline of the Pacific plate
- 13. Huge flood basalt located in India; could have contributed to the extinction of dinosaurs
- 16. opening of a volcano
- 18. oldest Hawaiian island that no longer sits above a hot spot
- 19. smaller belt which includes Mount Etna and Mount Vesuvius
- 20. National Park that sits atop of a large volcanic basin
Down
- 1. basalts form when lava flows out of long cracks in Earth's crust
- 2. magma that reaches Earth's surface
- 4. total force acting on crustal rocks per unit of area
- 6. stress that causes material to twist
- 7. a bowl-shaped depression at the top of the volcano
- 8. lava reaches the surface by traveling through a tube-like structure
- 9. basalts located in the northwestern United States
- 11. slushy mixture of molten rock, mineral crystals, and gases
- 14. larger depression than a crater
- 15. deformation of materials in response to stress
- 17. plate boundaries that move apart