Water Resource

4. body of saline water that composes a large part of a planet's hydrosphere
5. A process of forcing water through a special membrane to remove very small particles, such as dissolved salt, from water
8. a process by which wastewater from homes and businesses is cleaned using biological and chemical treatment so that the water can be returned to the environment safely to augment the natural systems from which it came.
10. Careful use of resources to ensure that wastage is kept to a minimum
11. A process of water filtration where water is boiled and the water vapour is collected and condensed into fresh water
15. Knowledge, skills and tools that people use to meet their needs
16. a body of relatively still water of considerable size, localized in a basin, that is surrounded by land apart from a river, stream
17. introduction of contaminants into the natural environment that cause adverse change.
18. a natural or artificial lake, storage pond or impoundment from a dam which is used to store water
20. Confined or restricted within certain limits

1. naturally occurring water on the Earth's surface in ice sheets, ice caps, glaciers, icebergs, bogs, ponds, lakes, rivers and streams, and underground as groundwater in aquifers and underground streams
2. It happens when there is a shortage of water to meet the needs of the people
3. water located beneath the earth's surface in soil pore spaces and in the fractures of rock formations
6. A process of converting sea water to fresh water by removing salt from the sea water
7. A process of filtering water to remove larger sized particles and bacteria from the water
9. An area over which rain falls and is collected
12. brand name given to reclaimed water produced by Singapore's Public Utilities Board.
13. water containing salt
14. the amount of a product which is available
19. body of water with a current, confined within a bed