Plate Tectonics and Geology

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Across
  1. 4. A single landmass on Earth about 300 million years ago
  2. 7. A German scientist that proposed the theory of continental drift
  3. 8. The process by which the ocean floor sinks beneath a deep-ocean trench and back into the mantle
  4. 11. A dense ball of solid metal.
  5. 16. Breaks in Earths crust where rocks have slipped past each other
  6. 17. A layer of molten metal surrounding the inner core
  7. 18. Heat transfer between materials that are touching
  8. 19. A group of parts that work together as a whole
  9. 20. The parts of Earth where that contain living organisms make this up
Down
  1. 1. Results from a force pressing on an area
  2. 2. Has three main parts: a metal core, a solid middle layer, and a rocky outer layer
  3. 3. Any trace of an ancient organism that has been preserved in rock
  4. 5. Contains all of Earths water
  5. 6. The layer of rock that forms that Earths outer skin
  6. 9. A dark, fine-grained rock
  7. 10. Heat transfer by the movement of a fluid
  8. 12. A layer of hot rock
  9. 13. The Earths outermost layer
  10. 14. Transfer of energy that is carried in rays
  11. 15. The ability to do work