Condensation happens when:
Liquid changes to solid
Solid changes to liquid
Liquid changes to gas
Gas changes to liquid
Which is the solid form of water?
Vapour
Ice
Clouds
Sea water
The process by which a substance change from solid state to liquid is called:
Melting
Freezing
Evaporation
Condensation
Which is the largest source of fresh water on earth?
Rain
Ocean
Ground water
River
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.
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
In towns and cities, water is purified in a:
Filter
Purification plant
Reservoir
Dams
In villages , people collect water from:
Wells
Reservoirs
Overhead storage tanks
Pipes
In how many forms is water present in nature?
1
2
3
4
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
