Across
- 2. area surrounded by vegetation in the desert
- 4. The word "water" in Italian
- 7. Longest African rive
- 8. Contaminated water
- 11. Metric unit of mass
- 12. small water droplets collected on a cold surface
- 13. house made of frozen water
- 15. one of the elements that make up water
- 17. another name for drinking water
- 20. a marsh area birds use as a habitat
- 21. water beneath the earth's surface
Down
- 1. Large frozen and floating rock separated from a glacier
- 3. when farmers water fields with river water it is called...
- 5. Water holding formations in the sky
- 6. Added to drinking water to preserve
- 9. Land bordered by water on three sides
- 10. stripes of color in the sky after rain on a sunny day
- 14. The largest river in the world
- 16. World's largest lake
- 18. when snow melts as it falls it is called....
- 19. cloud of water vapour that restricts visibility
