Page 1 - 3.Home Assignment- Energy and its Sources and Law of Conservation of Energy
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SAI INTERNATIONAL SCHOOL


                                                       CLASS-IV

                                                  SUBJECT - SCIENCE


                                     CHAPTER 10-FORCE, WORK AND ENERGY

                                                                            SUB TOPIC- ENERGY

               Objective Questions:

               1. Fill in the blanks:

                   a)  __________  is the ability of a body to do work.

                   b)  __________is  the main source of energy.
                   c)  Coal, petrol and natural gas are ______  fuels.
                   d)  The energy of Earth is known as _________energy.
                   e)  The ___________plants  operate on atomic energy.




               Subjective Questions:

               2. Identify the sources of energy shown in the following pictures and write
               down any two uses of each type of energy source.

               A.












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               B.












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