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SAI INTERNATIONAL SCHOOL
                                                        Class-6

                                                Home Assignment
                                                  Subject-Physics
                                      Ch.- Water: The Life-giving Liquid
                         Subtopic- Water Conservation & Rainwater harvesting

               INSTRUCTIONS:
               Please solve or paste the worksheet in the Physics Copy.
               For Assertion& Reason question follow the following directions.
                       DIRECTION: Each of these questions contains an Assertion followed by Reason. Read
                       them carefully and answer the question on the basis of following options. You have to
                       select the one that best describes the two statements.
                       (a) If both Assertion and Reason are correct and Reason is the correct explanation of
                       Assertion.
                       (b) If both Assertion and Reason are correct, but Reason is not the correct explanation of
                       Assertion.
                       (c) If Assertion is correct but Reason is incorrect.
                       (d) If Assertion is incorrect but Reason is correct
                       (e) If Assertion & Reason both are incorrect.
                       Sl.No     QUESTIONS                                                       MARKS

                                 Assertion: We all need to conserve water.                       1
                              1 Reason: Water is a limited and precious resource, it is
                                 getting polluted day by day.
                                 Which of the following steps we can take for the                1
                                 conservation of water in our house?
                                     a) Avoid flushing the toilet unnecessarily.
                                     b) Don't let water run while shaving or washing your
                              2
                                         face, dishes and clothes.
                                     c) Keep a bucket in the shower to catch water as it
                                         runs.
                                     d) All of the above.
                                 Rainwater harvesting is a technique to check water              1
                              3 pollution. (True/False)


                              4  Water is a natural limited resource. (True/False)               1
                                 Which of following is not correct about dams?                   1
                                 a) Reservoir of water
                              5  b) Supply water to its surrounding areas
                                 c) Produce hydroelectricity
                                 d) Operate as thermal plant


                              6  How can we conserve water?                                      2

                              7  What is rainwater harvesting?                                   2
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