Page 98 - ICSE Chemistry 6

6. The con nuous circula on of water from the earth to the atmosphere and back again
8. The water which comes out with pressure in the form of spring from any opening in the earth
9. The process of adding chlorine to water

Down:
1. A solu on which cannot dissolve any more of the solute at a par cular temperature
3. Water that is fi t for consump on
4. The purest form of water
7. A state of frequent, loose or liquid stools
Conduc ng a Survey
Form groups of fi ve students each and conduct a survey of various water resources used in your
neighbourhood. Prepare a report based on the survey.
Performing an Ac vity

Form groups of three students each and perform this ac vity in the presence of your teacher.
• Ask your teacher to provide you with salts of sodium chloride, sodium carbonate and sodium
sulphate.
• Dissolve these salts in water in three diff erent beakers.
• Check whether the salts dissolve in water or not.
• Record your observa ons and discuss it in the class.
Preparing a Solu on

Form groups of three students each and perform this ac vity in the presence of your teacher.
• Take a beaker half fi lled with water.
• Add some copper sulphate to water.
• Form a solu on.
• Name the solute and the solvent.
Conduc ng a Class Discussion
Conduct a class discussion on the topic ‘Importance of Water for the Sustenance of Life’.

Making a Project
Conduct a water audit in your home. Prepare a table in your notebook and record the approximate
amount of water used in your home for diff erent purposes like drinking, bathing, washing, cleaning,
etc. Iden fy and note the ac vi es where there is excessive consump on of water. Discuss the ways to
reduce the consump on of water at home. Also list these ways in your notebook.
Crea ng a Presenta on on ‘Saving Water’
Create an audio-visual presenta on on the topic ‘Save Water’ to create awareness among children
and other people of the society towards conserva on of water. Tell them how they can do rainwater
harves ng and how they can prevent pollu on of water.
Crea ng a Presenta on on ‘Say No to Water Pollu on’
Create an audio-visual presenta on on the topic ‘Say No to Water Pollu on’ to create awareness among
children, youth and elders about the ac vi es that cause water pollu on and the steps that should be
taken to prevent water pollu on.

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