Across
- 1. this country has the least desalination plants between Middle East, North America, Europe, Asia and Africa
- 3. The water consumption per person between 1995 to 2005 ________
- 5. A _________ area refers to an area over which rain falls and is collected. This area may be a forest surrounding a reservoir.
- 7. An _____________ agreement on water is an arrangement between two or more countries regarding the supply and use of water resources over a specific period of time.
- 9. Water __________ occurs when there is a shortage of water to meet the needs of people.
- 11. Being in a weak or unfavourable position.
- 14. Process of converting sea water into fresh water by removing salt from the sea water
- 15. ____ water takes up 97% of the sea
- 17. The radiation is used to disinfect water
Down
- 1. An activity that uses over 40% of fresh water supplies
- 2. Water ___________ is produced when impurities are removed from waste water through a treatment process.
- 4. The careful use of resources to ensure that wastage is kept to a minimum
- 6. The process of filtering water to remove larger sized particles and bacteria from the water.
- 8. Reversed _______ is the process of forcing water through a special membrane to remove very small particles, such as bacteria and dissolved salts, from water.
- 10. It refers to the knowledge, skills and tools that people use to meet their needs.
- 12. One way of increasing water supply is to ___ water from neighbouring countries.
- 13. _______ houses takes up the most water consumption.
- 14. The process of water filtration used in desalination where water is boiled and the water vapour is collected and condensed into fresh water.
- 16. Singapore's national water agency, educating the public on the ways to conserve the use of water in our daily lives.
- 18. I_d_a got river