Across
- 3. magma that squeezes between horizontal rock layers
- 6. molten mix of rock, gas, and water underground
- 7. the term for a sleeping volcano
- 9. the man on page 76 who thought that South America and Africa look like they fit together
- 10. a mountain that forms when magma reaches the surface
- 11. the vlcano on page 142
- 12. preserved organism in rock
- 14. the type of flow that is a mixture of hot gas and ash
- 17. the term for a volcano that will not erupt again
- 18. the type of volcano that has steep sides and erupts high silica content lava
- 19. the name of the small sub on page 83
- 20. magma moves up through a long tube to the top of a volcano
- 22. the type of plate boundary when the plates move away from each other
- 24. the broken pieces of crust that float above the mantle
Down
- 1. the type of volcano that produces a gradual slope
- 2. a hole left when a volcano collapses, Yellowstone is on one
- 4. super continent
- 5. the volcano on page 140
- 8. the volcano on page 145
- 11. the term for a plate sinking under another
- 13. the type of lava that is more than 2 letters
- 15. a belt of volcanoes around the Pacific plate
- 16. the type of boundary when two plates come together
- 21. a bowl shaped area at the top of a volcano
- 23. magma that has reached the surface
