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SAI International School


                                       Competency Based Worksheet
                                                Subject – Chemistry

                                 Chapter – Sorting Materials into Groups

                                                        Class- VI

          Q. No.                                             Questions

             1.     Which of these materials float on water?

                     A. Stone
                     B. Plastic ball
                     C. Iron nail
                     D. Coin

             2.     Which material is transparent?

                     A. Wood
                     B. Paper
                     C. Glass
                     D. Metal


             3.     What is the property of materials that can be grouped as conductors?
                     A. They allow electricity to pass through them.
                     B. They do not allow electricity to pass through them.
                     C. They float in water.
                     D. They dissolve in water.

             4.     Copper is used for electrical wiring because

                     A. It is malleable and soft
                     B. It is ductile and a good conductor of electricity
                     C. It is soft and transparent
                     D. It is rough and a non-conductor of electricity

             5.     Which of the following is the most ductile material?

                     A. Glass
                     B. Steel
                     C. Gold
                     D. Iron

                    Choose the correct option for the following: (For questions- 6 and 7)
                       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 and Reason both are incorrect.
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