The process by which a substance change from solid state to liquid is called:
Melting
Freezing
Evaporation
Condensation
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
What do we need for survival?
Car
House
Clothes
Water
Which method kills germs present in water?
Filtration
Boiling
Distillation
Purification
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
The gaseous form of water is:
Vapour
Ice
Clouds
Sea water
In towns and cities, water is purified in a:
Filter
Purification plant
Reservoir
Dams
Which is the solid form of water?
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
