Across
- 4. discovered sea floor spreading
- 6. theory proving earth movement(2 words)
- 7. discovered continental drift
- 8. location where many volcanoes and earthquakes erupt(3 words)
- 9. boundaries that move toward each other(2 words)
- 14. plate moving under another
- 15. Wegener noticed that the continents fit like a puzzle
Down
- 1. boundaries drift away from each other(2 words)
- 2. circular motion of liquid or gas
- 3. earth's crust plates(2 words)
- 5. ancient supercontinent
- 10. shaking of earth crust
- 11. boundaries that slide past each other(faults)(2 words)
- 12. ocean ridges moving apart(2 words)
- 13. land draining into river/lake