What do we need for survival?
Car
House
Clothes
Water
Which is the largest source of fresh water on earth?
Rain
Ocean
Ground water
River
The gaseous form of water is:
Vapour
Ice
Clouds
Sea water
The process by which a substance change from solid state to liquid is called:
Melting
Freezing
Evaporation
Condensation
In villages , people collect water from:
Wells
Reservoirs
Overhead storage tanks
Pipes
What is RWH?
Rain Water Harvesting
Rain Water Houses
Regional Water Harvesting
Rain Water Harbour
Condensation happens when:
Liquid changes to solid
Solid changes to liquid
Liquid changes to gas
Gas changes to liquid
In which way can we save water?
Turning off the tap while brushing our teeth
Turning on the tap while brushing our teeth
Washing fruits and vegetables in running water from the tap
By lengthening our bath
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
Which method kills germs present in water?
Filtration
Boiling
Distillation
Purification
