Across
- 3. Deep ocean valley
- 6. Dark volcanic rock
- 7. Break in Earth’s crust
- 12. Pacific volcano belt
- 13. Earth’s landmasses
- 16. Two landmasses crash
- 18. FAULT Plates slide sideways
- 21. One plate sinks under another
- 22. Layer beneath the crust
- 25. Curved chain of volcanoes
- 26. New ocean crust forms
- 27. Plates crash together
- 28. Sudden ground shaking
- 29. Dense seafloor rock
- 30. Earthquake vibrations
Down
- 1. Release of magma and gases.
- 2. Earth’s outer solid layer
- 4. Long depression in crust
- 5. Opening where magma escapes
- 8. Connected series of peaks
- 9. Molten rock below surface
- 10. stress pulling crust apart
- 11. Mountains from plate collision
- 14. Continents slowly move
- 15. Where plates meet
- 17. Rigid outer shell of Earth
- 19. Famous California fault
- 20. Underwater mountain chain
- 23. Plates move apart
- 24. Point above quake focus