Across
- 3. a deep, narrow valley with steep sides
- 5. a low area between hills or mountains, often with a river
- 7. a broad, flat area with little change in elevation
- 8. a vent in the earth's crust that may erupt with lava
- 9. a depressed area often draining into a river or lake
- 10. an elevated flatland high above sea level
- 11. a wetland with saturated soil and woody vegetation
- 16. a large natural elevation of the earth's surface
- 17. a dense forest with high annual rainfall
- 18. a woodland in a dry climate with seasonal rainfall
- 19. a piece of land surrounded by water
Down
- 1. a bowl-shaped depression formed by volcanic activity
- 2. a deep ravine or steep-sided valley
- 4. flat or gently rolling areas with low relief
- 6. a landform at the mouth of a river where it splits into branches
- 7. a piece of land surrounded by water on three sides
- 9. a sandy or pebbly shore by the ocean
- 12. coastal wetlands with salt-tolerant trees
- 13. a series of connected mountains
- 14. a joint of two mountain ranges
- 15. a natural flowing watercourse leading to a larger body of water