Y12 Tectonics revision

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Across
  1. 2. A type of volcano that is formed on a destructive margin (8)
  2. 4. An earthquake hit this country on 12th Jan 2010 (5)
  3. 8. Name of the model that determines disaster size (4)
  4. 9. Outer layer of Earth (crust and upper mantle)(11)
  5. 11. When one plate slides underneath another (10)
  6. 12. This mineral can make lava very sticky (viscous) (6)
  7. 13. How well a country can bounce back and recover from a disaster (10)
  8. 14. What continental crust is made of (7)
  9. 19. Hot ash, lava, rock fragments, flowing very quickly down hill (11,4)
  10. 21. A chain of volcanic islands (6,3)
  11. 23. The point on the ground where the earthquake is the strongest (9)
  12. 24. A major secondary hazard of underwater earthquakes (7)
  13. 26. Classic example of a multi-hazard-hotspot (11)
  14. 28. Hawaii is an example of one of these (7)
  15. 29. Formed at constructive continental margins (e.g. East Africa) (4,6)
Down
  1. 1. The gradual movement of the continents across the Earth's surface through geological time (11,5)
  2. 3. This model shows the effect of a hazard on quality of life over time (4,8,5)
  3. 5. This type of lava is very runny (8)
  4. 6. An event with a high magnitude, large extent and massive impact (4,8)
  5. 7. What oceanic crust is made of (6)
  6. 10. An earthquake resistant building in San Francisco
  7. 15. Conservative plate boundary N.America (3,7,5)
  8. 16. Plate boundary where plates move apart (11)
  9. 17. The name of a current considered for many years to be the driving force of plate tectonics (10)
  10. 18. Another word for the hypocentre of an earthquake (5)
  11. 20. This is critical to good planning (10)
  12. 22. Formed by the collision of India and Eurasia (9)
  13. 25. When the weight of the cold, old, oceanic crust causes the edge of the plate to subduct (4,4)
  14. 26. A name for when the continents were joined together (6)
  15. 27. Type of volcano found on constructive plate margins(6)