Across
- 3. Small narrow river
- 8. Falls in separate drops
- 10. Water vapour in the air changed to liquid
- 12. Area of water surrounded by land
- 13. Water vapour rising from plants into the air
- 15. Centre of the solar system
- 16. Condensed watery vapour floating in the air
- 17. Falls in flakes
Down
- 1. Colourless, transparent, odourless liquid
- 2. Water that falls from the sky
- 4. Water collected in rivers, lakes streams and oceans
- 5. Rivers of slow-moving ice
- 6. Very high steep hills
- 7. Cascade of water falling from a height
- 9. Water that changes from a liquid to a gas
- 11. Flows to the sea
- 14. Large expanse of sea