Across
- 5. clouds are made up water ___________
- 7. process that happens at all temperatures
- 10. water vapour loses heat to liquid form
- 11. ensures a continuous supply of fresh water
- 13. change of state from solid to liquid
- 15. substances that makes water not boil/melt at normal temperatures
Down
- 1. area of water that can evaporate
- 2. change of state from liquid to solid
- 3. harmful substances making water unsuitable for drinking
- 4. reuse reduce recycle water
- 6. process occurring at 100 degrees Celsius
- 8. water exists in three different forms
- 9. rain water is collected here in Singapore
- 12. amount of water vapour in the air
- 14. temperature of water remains _____ during boiling/melting