Across
- 4. Earth`s outer most layer
- 7. Plates pulling apart
- 10. Area of volcanic eruptions
- 13. Largest landform region in Canada
- 15. Causes plates to move
- 18. Time of the dinosaurs
- 21. The gradual destruction or diminution of something
- 22. Scale to measure earthquakes
Down
- 1. The place where two plates meet
- 2. Called Canada`s Breadbasket
- 3. Formed by years of pressure
- 5. A single land mass
- 6. Core made of liquid
- 8. One of Canada`s highland regions
- 9. Means ``Change of form``
- 11. Formed by crystallization of magma
- 12. Largest lay of the Earth
- 14. Consists of heavy metals such as iron
- 16. Era in which you live
- 17. Developed the concept Continental Drift
- 19. Core made of solid
- 20. Made of the lightest materials