Across
- 5. Moving mass of ice
- 7. Ring shaped reef or island(s)
- 8. Waterless, dry & barren land
- 9. Dense tropical forest
- 12. Where lava erupts from
- 13. Land along edge of body of water
- 15. Treeless arctic biome
Down
- 1. Lake used as water supply
- 2. Region of elevated land
- 3. Group of islands
- 4. Hot spring water spray
- 6. Permanently frozen soil
- 10. Long, narrow water inlet
- 11. Floating chunk of ice
- 14. Deep gorge between cliffs