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SAI INTERNATIONAL SCHOOL
                                                        Class - VI
                                                 Subject - Chemistry
                                           Topic – Changes Around Us
             Sub-Topic – Physical Change, Chemical Change, and their Properties

                                                        Activity- 1



               EXPERIMENT: - To understand the chemical change taking place on the reaction when
               exhaled air is passed through lime water.

















               Materials Required:


               Test-tube, cork, cork driller, lime water &straw.

               Observation: Students will observe the change in colour of lime water to milky by
               blowing exhaled air into it.

               Inference: Lime water reacts withthe exhaled air which contains carbon dioxide, the
               colourless solution of lime water changes to white.




















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