Tectonics, Earthquakes and Volcanoes

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