Across
- 6. – A vast, flat, treeless Arctic region
- 10. – A chain or cluster of islands
- 11. – Low land between hills or mountains, often with a river
- 12. – An arid region with little vegetation and rainfall
- 13. – High, steep-sided landform
- 14. – A long, narrow, elevated landform
- 16. – A large, flat-topped elevated area
- 19. – A slowly moving, massive body of ice
- 23. – Land surrounded by water on three sides
- 26. – A deep, narrow valley with steep rocky sides
- 29. – A wide, flat-topped hill, larger than a butte
Down
- 1. – A long, narrow inlet with steep sides, carved by a glacier
- 2. – An isolated, flat-topped hill with steep sides
- 3. – A landscape formed from the dissolution of soluble rocks
- 4. – A narrow strip of land connecting two larger landmasses
- 5. – A body of land completely surrounded by water
- 7. – A depression or dip in the Earth's surface
- 8. – A natural underground chamber
- 9. – A landform at the mouth of a river created by sediment deposit
- 12. – A hill or ridge of sand formed by wind
- 15. – A very large bay
- 17. – A shallow body of water separated from the sea
- 18. – A broad, flat, or gently rolling area of low relief
- 20. – A vertical or very steep rock face
- 21. – A ridge of jagged rock, coral, or sand just above or below the water surface
- 22. – A naturally raised area, lower than a mountain
- 24. – A wetland ecosystem characterized by mineral soils and trees
- 25. – A vent in the crust where magma and ash erupt
- 27. Fan – A cone-shaped deposit of sediment from a stream
- 28. – A body of water partially enclosed by land