Plate Tectonics Project

12345678910111213141516171819202122
Across
  1. 3. any trace of an ancient organism that has been preserved in a rock
  2. 6. The flow that transfers heat within fluid
  3. 8. when magma reaches the surface
  4. 9. mid-ocean ridges continually add new material to the ocean floor
  5. 12. Wegener's idea that the continents slowly moved over earth's surface
  6. 16. The resulting volcanoes sometimes create a string of islands
  7. 17. form long chains of mountains that rise up from the ocean floor
  8. 18. boundary plates move apart
  9. 20. boundary plates come together
  10. 21. Heat transfer between materials that are touching
  11. 22. wegener called supercontinent
Down
  1. 1. the ocean floor sinks beneath a deep-ocean trench and back into the mantle
  2. 2. an area where material from deep within earths mantle
  3. 4. one major belt of volcanoes
  4. 5. broken into pieces separated by cracks
  5. 7. boundary plates slide past eachothere
  6. 10. measure of how much mass there is in a given volume
  7. 11. a mountain that forms in earth's crust
  8. 13. the transfer of energy that is carried in rays like light
  9. 14. is a molted mixture of rock-forming substances gases and water from the mantle
  10. 15. Heat transfer by the movement of a fluid
  11. 19. the ocean floor plunges into deep underwater canyons