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
In villages, people collect water from:
Wells
Reservoirs
Overhead storage tanks
Pipes
Clouds are formed by:
Water getting evaporated
Water rising in the air
Water turning into ice
Water droplets joining together
The gaseous form of water is:
Vapour
Ice
Clouds
Sea water
What do we need for survival?
Car
House
Clothes
Water
The process by which a substance change from solid state to liquid is called:
Melting
Freezing
Evaporation
Condensation
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
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
