Condensation happens when:
Liquid changes to solid
Solid changes to liquid
Liquid changes to gas
Gas changes to liquid
Freezing is:
Change of liquid to solid
Change of solid to liquid
Change of liquid to gas
Change of solid to gas
What is essential for the growth of a plant ?
Water
Chemicals
Nitrogen
Water vapor
In towns and cities, water is purified in a:
Filter
Purification plant
Reservoir
Dams
Which is the largest source of fresh water on earth?
Rain
Ocean
Ground water
River
In villages , people collect water from:
Wells
Reservoirs
Overhead storage tanks
Pipes
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
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
What do we need for survival?
Car
House
Clothes
Which method kills germs present in water?
Filtration
Boiling
Distillation
Purification
