Across
- 1. Flat or gently rolling lands
- 4. Deep, narrow valley with high steep walls
- 5. Body of water completely surrounded by land
- 8. A group of closely scattered islands
- 9. Long, steep sided, glacial valley now filled by seawater
- 11. Area of barren land with roughly eroded ridges and peaks
- 15. An area of low lying, wet land
- 16. Large body of ice that moves across the Earth's surface
- 18. Sandy, pebbly or rocky shore of a body of water
- 19. In deserts and on beaches, windblown sands that have formed hill
Down
- 1. Piece of land that is surrounded by water on three sides
- 2. Mountains formed when lava rises through the Earth's crust
- 3. Point of land projecting into a body of water
- 6. Large, continuous body of salt water
- 7. A river or stream that flows into a larger river or stream
- 10. Triangular section of land built up at a rivers mouth
- 12. Dry areas of land, desolate, waterless, and without vegetation
- 13. Ring shaped island formed by coral buildup on the rim of an underwater volcano
- 14. Lowland region saturated by water
- 17. Narrow piece of land that connects two large landmasses and separates two bodies of water