Across
- 3. Slowest type of wave
- 5. Deepest trench
- 6. Lava that is underground
- 7. When tectonic plates move together
- 9. A hot liquid that spills out of the volcano
- 10. The layer of the Earth we live on
- 12. The measure of an earthquake
- 14. drift
- 16. A sudden, violent, shaking of the ground
- 17. Plates move away from each other
- 18. The very middle layer of the Earth
- 19. When tectonic plates slide past each other
- 20. A large supercontinent containing all the Earth's continents
- 23. Plate that we live on
- 25. Winter, water, glaciers cause __________
- 27. Scale that measures the magnitude of earthquakes
- 28. The location of the surface directly above the focus
- 29. A type of volcano that is flat
Down
- 1. Where the earthquake starts
- 2. Largest tectonic plate
- 4. Most dangerous type of volcano
- 8. Tectonics, Earthquakes and ____________
- 10. Plates collide
- 11. A push-pull wave
- 13. A zone of weak easily deformed rock in the upper mantle
- 15. The crust and the upper layer of the mantle make up this layer of rock
- 21. Most famous transform fault boundary
- 22. Means "builder" in Greek
- 24. slow wave that travels only through solids
- 26. The layer of the Earth found between the core and the crust