Across
- 4. An area's landforms together with its cover of vegetation, water, ice, and rock.
- 10. One type of mountain made from magma.
- 11. Large masses of rock high above sea level.
- 12. Has some of the oldest rock on earth.
- 13. The outer solid layer of the Earth.
- 14. The theory that the earth's continents are moving.
- 17. Canada's topography is the result of _______ forces.
- 18. One type of mountain made from movements of the earth's crust.
- 19. The smallest landform region.
- 20. The average conditions of the atmosphere over a long period of time.
Down
- 1. This landform region is know for being flat.
- 2. Cold land makes the air cold and dry.
- 3. The theory that the earth's plates interact to produce mountains, trenches, earthquakes, and volcanoes.
- 5. The science of weather, was probably one of the first sciences to develop.
- 6. The distance away from sea level.
- 7. Warm water makes the air warm and moist.
- 8. This landform region is known for its deltas.
- 9. As this increases the amount of sunshine decreases.
- 15. This type of precipitation may be caused when one air mass displaces another.
- 16. The natural features of the lands surface.
