Across
- 3. A landform created at the mouth of a river by sediment deposits
- 6. A steep, high face of rock or earth
- 8. A group or chain of islands
- 11. A broad inlet of the sea where the land curves inward
- 12. A cold, treeless plain found in Arctic regions
- 14. A shallow body of water separated from a larger sea or ocean
- 15. A mound or ridge of sand formed by the wind
- 17. A deep gorge with steep sides, often carved by a river
- 18. A large natural stream of flowing water
Down
- 1. A raised area of land, smaller than a mountain
- 2. A slow-moving mass of ice and snow
- 4. A wetland with soft, waterlogged ground and grasses
- 5. A flat-topped elevated area of land
- 6. The land along the edge of the sea or ocean
- 7. A piece of land completely surrounded by water
- 9. A large area of flat or gently rolling land
- 10. A low area between hills or mountains, often with a river
- 13. A mountain that can erupt with lava and ash
- 15. A dry, barren region with little rainfall
- 16. A tall, steep natural elevation of the Earth's surface
