Tectonics 1 Mr. Mc Donnell

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Across
  1. 4. Large parts that the crust of planet earth is broken into
  2. 7. destructive wave caused by an undersea earthquake
  3. 8. Violent shaking of the earth's surface
  4. 10. This type of volcano will never erupt again
  5. 13. Instrument used to record the magnitude of an earthquake
  6. 15. These mountains are found where the Nazca plates and South American Plates converge
  7. 16. Fold mountains from this time period were formed about 240 million years ago
  8. 19. Point where an earthquake starts
  9. 20. Fold mountains from this time period were formed about 30 to 40 million years ago
  10. 21. Molten rock that flows from a volcano
  11. 22. Outside layer of planet earth
Down
  1. 1. Molten rock in the mantle
  2. 2. the part of a volcano that magma flows up through
  3. 3. This type of volcano erupts regularly
  4. 5. Centre of planet earth
  5. 6. Layer of planet earth directly below the crust
  6. 9. Scale that is used to show the strength of an earthquake
  7. 11. These mountains are found where the Eurasian and Indo Australian Plates converge
  8. 12. This type of volcano hasn't erupted for a long time but might erupt again
  9. 14. Fold mountains from this time period were formed about 450 million years ago
  10. 17. Opening at the top of a volcano
  11. 18. Point on the earth's surface that receives most power from an earthquake