Across
- 2. Mountains – Tall, rugged western mountain chain.
- 4. River – Major river draining central US.
- 7. Lakes – Largest group of freshwater lakes in world.
- 10. – Longterm weather patterns of a region.
- 11. Mountains – Old, eroded mountains in eastern US.
- 12. Plains – Broad, flat grasslands in central US/Canada.
- 15. – Grassland with few trees.
- 17. – Landform at river mouth from sediment.
- 18. Lowlands – Fertile plains between Appalachians and Rockies.
- 19. Shield – Ancient rock core of North America.
- 20. Coastal Plain – Flat land along southern US coast.
Down
- 1. – Dry region with little rainfall.
- 3. Divide – Ridge separating river flow directions.
- 5. – Permanently frozen ground in cold regions.
- 6. Lawrence River – Key waterway linking Great Lakes to Atlantic.
- 8. – Ice shaping land and lakes.
- 9. – Group of islands close together.
- 13. Basin – Land drained by a river system.
- 14. – Treeless, cold plain with short plants.
- 16. – Elevated flat land area.
