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