Across
- 1. Long, steep-sided, glacial valley now filled by seawater
- 5. Dry areas of land, desolate, waterless, and without vegetation
- 6. Flat or gently rolling lands
- 8. Traingular section of land built up at a rivers mouth
- 10. Natural hot spring that emits a column of water and steam into the air
- 12. Piece of land that is surrounded by water on three sides
- 15. An artificial waterway used for irrigation or travel
- 16. Deeper part of a river or harbor
- 17. Part of land that rises noticeably above the rest of the land
- 18. Hill that rises abruptly from surrounding are with sloping sides and a flat top
- 19. Densely overgrown land with tropical vegetation
- 21. Body of saltwater surrounded almost entirely by land
- 22. Vast treeless plains with permafrost and small, low plants
- 23. Large, continuous body of salt water
Down
- 1. Dense growth of trees and other plants covering a large area
- 2. In deserts and on beaches, windblown sands that have formed hills
- 3. An inland grassland area
- 4. Flat landmass higher then the surrounding land with at least one steep side
- 7. One of the seven large landmasses on earth
- 9. Body of water completely surrounded by land
- 11. Flat-topped, elevated form
- 13. A group of closely scattered islands
- 14. Lowland between mountain ranges often having a river or stream running along the bottom
- 20. Point of land projecting into a body of water
- 21. Long, wide body of water connecting larger bodies of water, larger then a channel