Across
- 3. an inland grass area
- 5. shallow pool of water at the center of a atoll
- 7. an artificial waterway used for irrigated travel
- 8. hill that rises abruptly from surrounding area with sloping sides and a flat top
- 12. a group of close scattered islands
- 15. a ring shaped island from coral build up on the rim of a volcano
- 16. deeper part of a river or harbor
- 18. triangular section of land built up at a rivers mouth
- 19. an area of low-lying, wet land
- 20. natural hot spring that emits a column of water and steam in the air
- 21. bodies of water, larger than land
Down
- 1. flat land masses higher than the surrounding land with at least one steep side
- 2. a narrow waterway or channel connecting two larger bodies of water
- 3. a piece of land that Is surrounded by land on three sides
- 4. flat or gently rolling lands
- 6. vast treeless plains with permafrost and small, low plants
- 9. flat topped elevated area
- 10. area of barren land with roughly eroded ridges and peaks
- 11. mountains formed when lava rises through earth's crust
- 13. narrow piece of land that connects two land masses and separates two bodies of water
- 14. large chunks of ice that breaks of from glaciers
- 17. long, steep sided, glacial valley now filled by sea water