The water supply Flashcards
(7 cards)
How many litres of water does the average family of four living in a town or city uses?
180,000 litres of water.
How many kilometres do child fetch their family’s water from a waterhole to their home?
12 kilometres.
Where the water taken from?
A river or reservoir.
What the used water is called?
Sewage.
What things does sewage contain?
It contains lots of harmful germs and poisonous substances.
What the world’s largest desalination plant is called?
the Jebel Ali Desalination Plant in United Arab Emirates.
Order those by using number.
1. After moving the dirt, it looks clean but it still has germs. To kill the germs, chlorine is added.
2. Chemicals are added to remove bigger pieces of dirt and soil.
3. First water is collected from the reservoir into a treatment plant where it is being cleaned.
4. It is ready to supply and air pressure is used to distribute to local area.
5. Then, the water is passed through large scale filter in order to remove smaller particles.
6. Now clean and germ-free water is stored in large storage tanks.
7. At the treatment plant, the water is put into large setting tanks.
3,7,2,5,1,6,4
