Across
- 2. Wegener was originally trained as this type of scientist.
- 4. Plates that are moving apart.
- 7. This famous Canadian scientist helped prove that continents move.
- 9. The upper most layer of the Earth.
- 11. What does the "A" stand for in SCUBA?
- 14. This scientist came up with the theory of continental drift.
- 15. An area where one plate is pushed under another plate.
- 16. The giant supercontinent.
- 17. A name for deep sea volcanic vents.
- 19. Plates that are moving together.
Down
- 1. The inner most layer of the Earth.
- 3. Circular currents caused by a moving fluid.
- 5. This dinosaur provides biological evidence that the continents move.
- 6. What does the "N" stand for in SONAR?
- 8. The outer core is made of iron and this element.
- 10. The layer found directly under the crust.
- 12. The Theory of Plate __________.
- 13. The boat that Canadians use to examine the ocean floor.
- 18. A technology that uses sounds waves.