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WorksheetsWATER IN OUR LIVES
Total questions: 20
Worksheet time: 7mins
The surest way of water purification is _______
Boiling
Filtration
Adding Alum
Some natural sources of surface water are______
RO water, hand pump
Pond, lake, river
borewell, sea, ocean
Cholera is a water borne disease.
True
False
Pollutants are the substances that pollute a water.
True
False
Water exists in __________ forms.
Two
Three
Four
What is the name of the frozen water on Earth?
(a)
Desalination is removing salt from water.
Yes
No
Can sand pass through filter paper?
Yes
No
When water is heated in the ocean by the sun and turns into _________
Ice
Water vapour
Snow
Sleet
Forms of precipitation are _______
Snow
Rain
Ice
Sleet
Surface water is the water of the ______
River
lake
sea
All of these
Identify the process.
(a)
Ravi is pouring hot tea in his cup. Which process is involved in it?
(a)
Kanta has spilled some water on the floor, after some time, the water is not visible any more. What was happening? Name the process involved.
(a)
Identify the process.
Sedimentation
Decantation
Filtration
Identify the picture?
(a)
Chemicals added to water to kill germs.
Chlorine
Bleaching powder
Alum
All of them
Potassium Permagnate
The water cycle has no start or end.
True
False
Rain - fed rivers are also called __________
Perennial rivers
Snow fed rivers
Seasonal rivers
Mud and silt can be removed from dirty water by adding (a)
