Water is a precious, fundamental, and necessary substance for the survival of life on Earth. Water is abundant and naturally occurring on our planet. Water covers roughly two-thirds of the total earth’s surface.
Download Class 6 Chemistry Worksheet on Chapter 14 Water – Set 3 PDF
CBSE Class 6 Chemistry Chapter 14 Water – Set 3
Q-1: Which of the following is a source of water?
a) Industries
b) Fields
c) Wells
d) Roads
Q-2: Which of the following is a condition of extreme dryness?
a) Floods
b) Drought
c) Epidemic
d) Deforestation
Q-3: Precipitation is the phenomenon of ___________.
a) Rising of water drops
b) Falling of water drops
c) Accumulation of water drops
d) Deposition of water drops
Q-4: Which of the following processes is responsible for the sweaters drying on a clothesline?
a) Condensation
b) Transpiration
c) Precipitation
d) Evaporation
Q-5: How can rain help us?
Q-6: Fill in the blanks.
a) Open wells are fed by _________.
b) __________ is drawn by a tube well.
c) Most of the rainfall occurs during the _________ season.
d) __________ process maintains the supply of water on land.
e) The demand of water is __________ day-by-day.
Q-7: What will happen if we drink a lot of sea water to quench our thirst?
Q-8: Indicate whether each of the following is due to evaporation or condensation:
a) Wet clothes drying when placed near an angithi.
d) Appearance of water droplets outside the cooled water bottle taken from the refrigerator.
c) The surface of the glass becomes wet on exhaling.
d) Floor dries up after mopping it.
Q-9: How do clouds form?
Q-10: What are the advantages of rainwater harvesting?
Q-11: What is the significance of the water cycle?
Q-12: Why is ocean water unsuitable for agricultural and industrial purposes?
Q-13: Why is groundwater availability affected in areas where land is covered with concrete?
Q-14: As our population grows, we will require more water for drinking, washing, and other purposes. Is this having an effect on the water table? Explain.
Q-15: Vinay lives in an area where there is water scarcity. Vinay considered the issue and planned to find a solution. He decided to harvest rainwater in his village. He worked hard to persuade the people in his neighbourhood and finally get it done.
a) How will Vinay harvest rainwater in his village?
b) Write down the water-saving strategies Vinay will teach the people.
c) What values of Vinay are shown here?
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