Page 10 - ENERGY AND ITS FORMS (MECHANICAL ENERGY, LIGHT ENERGY AND HEAT ENERGY)
P. 10

3.HEAT ENERGY –
                   3    .H      E    A    T       E    NE        RGY              –






                     I  t    i s    also         a    f  o  r  m      o  f    e  n  e  r  g  y  .    A     h  e  ate      d
                     It is also a form of energy. A heated

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                                                                            h
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                                                                               e
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                                                                                                             .
                                                                                                    r
                   substance possesses heat energy.

                   su
                                          e
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                   For example, burning of wood, paper and coal
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                                     m


                                                                                                              n
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                                                                                                  igh
                                                                                            h

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                                                                                                               H
                                                                                                                                  ergy

                   p
                   produces heat energy along with light. Heat energy
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                   is
                   is used to move steam engines. The sun is also a
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                               e

                                       f
                   s
                   source of heat energy.
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                                                             ergy
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