Plate Tectonics

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Across
  1. 3. The upper layer of the earths interior, including the crust and the brittle portion at the top of the mantle
  2. 4. A form of stress produced by a force that acts to stretch a material.
  3. 5. The phenomenon associated with volcanic activity
  4. 8. An area of fracturing rocks
  5. 14. Large, movable segments of the lithosphere
  6. 15. The chemistry of the earths crust
  7. 16. A specialist in the history of the earth recorded in rocks
  8. 17. A split between two previously joined bodies
  9. 18. The region's of the earth where living organisms exist
  10. 20. A form of stress resulted from an equal and opposite force that does not act along the same line
Down
  1. 1. The deformation of the lithosphere
  2. 2. The centre of the earth
  3. 6. Coming closer together.
  4. 7. To undergo condensation
  5. 9. The study of tectonism including its cause and effects
  6. 10. An area of rock that has been bent by stress
  7. 11. A brach of earth science that involves geology and physics
  8. 12. To be different or develop in different directions.
  9. 13. The top layer of solid earth
  10. 19. The longest unit of geological time