Page 64 - Science Class 06
P. 64

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              Changes Around Us







               •  Changes are Ever Going on                      •  Classifica on of Changes

               •  Speed                    •  U lity             •  Time-Pa ern
               •  Permanency               •  Reversibility      •  Types of Reac ons
               •  Absorp on or Evolu on of Energy                •  Mixing as a Way of Changing Things
               •  Two Musts for a Change                         •  Controlling the Changes


                     CHANGES ARE EVER GOING ON                      place  and  everywhere  else,  changes  keep
              Did you know everyday our height increases            taking place. In nature as well, cycles of day
              by 1 cm? Isn’t it just amazing? Our body is a         and night, of season, of day-to-day weather,
              wonderful organism that is capable of doing           of crops, etc. are going on.

              so  many  amazing  things.  There  are  things        The  second  proverb  holds  that  without
              happening  around  us  everyday,  every               changes life of an individual and also life of
              second.  These  changes  around  us  are              the whole world will be dull. Changes keep
              some mes  not  even  no ceable.  But  what            us  in  high  spirits  as  they  incite  us  to  meet
              are these changes? Above all what do you              new situa ons that appear because of them.
              mean by changes? Let us know more!                    So,  it  is  highly  necessary  to  know  about

              Change means to become different or look               changes  going  on  around  us.  And,  as  we
              different in scien fic language.                        read  in  an  earlier  chapter,  the  best  way  to
              Two common sayings regarding change are               know  about  them  is  to  classify  them.  This
                                                                    classifica on is sure to help us to understand
              as under:
                                                                    their pa erns as well as influences fully. So,
              v Change is the law of nature
                                                                    we shall be able to tell useful changes and
              v Change is the spice of life                         harmful  changes.  Evidently,  we’ll  be  in  a
              Both of proverbs are very meaningful in the           posi on  to  encourage  or  promote  useful
              present context. The first proverb confirms             changes  and  discourage  or  demote  the

              the  fact  that  changes  are  always  going  on      harmful ones for our own good and for the
              around us. At home, at school, at the work-           good of all.


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