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