In how many forms is water present in nature?
1
2
3
4
Why should not we waste water?
Because there is lot of water on earth
Because there is no water on earth
Because water resources on earth are getting dry
Because lot of water is getting polluted
What is essential for the growth of a plant ?
Water
Chemicals
Nitrogen
Water vapor
What is RWH?
Rain Water Harvesting
Rain Water Houses
Regional Water Harvesting
Rain Water Harbour
We should keep our water resources clean:
To fit for use for all living things
To bathe in clean water
To water plants with clean water
To wash our cars with clean water
Which is the solid form of water?
Vapour
Ice
Clouds
Sea water
Condensation happens when:
Liquid changes to solid
Solid changes to liquid
Liquid changes to gas
Gas changes to liquid
Which method kills germs present in water?
Filtration
Boiling
Distillation
Purification
What is meant by potable water?
Water which is not fit for drinking
Water which is salty
Water which is not purified
Water which is fit for drinking
Which is the largest source of fresh water on earth?
Rain
Ocean
Ground water
River
