We use water mostly for
Drinking/Cooking/Bathing.
Water that comes from natural process are
Evaporation, condensation, percipitation
Sedimentation, condensation, disinfection
Evaporation, operation, filtration
Natural water resources include rain, rivers, lake, pond, streams and __________?
Sea.
Is this evaporation process?
Yes.
No.
Is this condensation process?
Yes.
No.
Is this percipitation process?
Yes
No
Percipitation process can produce ____________ and _____________.
Hurricane, tornado
Rain, snow
Flood, snow
Condensation process is turning water vapour into liquid and produce __________.
Tornado.
Hurricane.
Clouds.
Water treatment plant needs to go through ___________ steps in order to distribute clean water.
1
3
4
2
Coagulation and flocculation process uses __________ and __________ to stick all the flocs together.
Aluminium sulfate, chloride
Sodium bisulfate, gravity
Chlorine, ozone
Sedimentation process uses ___________ to pull all the remaining flocs to the bottom.
gravity
sludge
bubbles
In filtration process, _____________ are used to filter water from unwanted suspended solids/bacteria.
sand filters
chlorine
bleach
Disinfection process is to make sure all ________________ are killed and ready to distribute clean water to the residents.
pathogens/bacteria
chloride
activated carbon
