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SAI INTERNATIONAL SCHOOL


                                                       CLASS-IV

                                                  SUBJECT - SCIENCE


                                     CHAPTER 12-WEATHER, AIR AND WATER

                                                 SUB TOPIC- WATER

               Objective:


               1. Fill in the blanks:

                   a)  The process by which water changes from liquid to vapour is known as
                       __________.
                   b)  Water droplets are formed on the surface of cold objects, due to

                       ___________.
                   c)  Evaporation is faster in areas that are less ______________.
                   d)  ___________winds  increase the rate of evaporation.
                   e)  The particles of __________  condense as they cool and form clouds.

               Subjective:


               2. Observe the picture and answer the following questions.




































                   a)  Which process is shown in the picture?
                   b)  Explain the process.
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