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SAI INTERNATIONAL SCHOOL
                                                        Class - VI
                                                 Subject - Chemistry
                                           Topic – Changes Around Us
                       Sub-Topic – Application of Contraction and Expansion

                                                 Practical Worksheet



               AIM: To show the effect of contraction and expansion.


               MATERIALS REQUIRED: Beaker, water, bottle, balloon


               METHOD:  Pour water in a beaker and heat it. Place a bottle with a balloon fixed at its mouth in
               the beaker. Observe the balloon. Now, remove the bottle and place it in a beaker containing cold
               water. Again observe the balloon and record your observation.



               OBSERVATION:
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               INFERENCE:
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