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 statement is true?
Plants need less water than animals do.
Plants need much more water than animals do.
Plants do not require water at all.
Plants need very little water.
Which is the largest source of fresh water on earth?
Rain
Ocean
Ground water
River
What is essential for the growth of a plant ?
Water
Chemicals
Nitrogen
Water vapor
Condensation happens when:
Liquid changes to solid
Solid changes to liquid
Liquid changes to gas
Gas changes to liquid
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 method kills germs present in water?
Filtration
Boiling
Distillation
Purification
What is RWH?
Rain Water Harvesting
Rain Water Houses
Regional Water Harvesting
Rain Water Harbour
Freezing is:
Change of liquid to solid
Change of solid to liquid
Change of liquid to gas
Change of solid to gas
