Which is the main source of fresh water on earth?
Oceans
Seas
Rivers
Rain
What describes the continuous movement of water?
Water conservation
Water cycle
Water preservation
Water harvesting
Chlorine is added to water to:
increase germs
remove germs
improve its taste
coagulate impurities
Animals need:
Water
Snow
Chemicals
Water vapour
Solid parts of the Earth’s crust is called :
Lithosphere
Atmosphere
Hydrosphere
Biosphere
The process of water changing into vapour is called:
Evaporation
Condensation
Precipitation
Collection
Water gets polluted by:
Dumping garbage in water bodies
Smoke from vehicles and factories
Chemicals getting thrown into the soil
Burning garbage outdoors
Water required for household use is called :
Surface water
Domestic water
Public water
The temperature at which liquid water changes into ice is called :
Melting point
Freezing point
Boiling point
Drying point
What percentage of Earth’s surface is covered with water?
1/4 th
2/3 rd
1/3 rd
3/4 th
