Across
- 3. cold, dry in the far north that is covered with snow for half the year. (4.2)
- 5. The hottest place in North America (4.1)
- 6. regions of flat or rolling land covered with grasses (4.2)
- 9. the boundary that separates the flow the continent'srivers to the oceans. (3.1)
- 11. largest of the basins that lie west of the Rocky Mountains (4.1)
- 12. the second largest mountain system that lies in the Eastern half of North America. (4.1)
Down
- 1. huge,slow moving sheets of ice that fill in the valleys between Mountains (4,1)
- 2. river that connects the great lakes to the Atlantic Ocean (4.1)
- 4. the largest mountain system in North America (4.1)
- 7. fertile topsoil left by rivers that flood (4,3)
- 8. river that connects the great lakes to the Gulf of Mexico; America's Largest River(4.1)
- 10. permanently frozen soil (4,2)
- 11. the worlds largest group of freshwater lakes (4.1)
