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