Page 38 - Science and Technology Std 3
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FOR ONLINE USE ONLY
                                                 DO NOT DUPLICATE


                   5. Explain why a frying pan handle is made of wood or

                       plastic.
         FOR ONLINE USE ONLY

                  Write TRUE or FALSE.

                   6.  There are two forms of energy. ________


                   7.  The sun is an artificial source of heat. _________


                   8.  Drums, bells, flutes and pianos produce sound. ______

                   9.  Heat can be transferred through an iron. ________


                   10. Sound energy is caused by vibration of things. ________


                  11. Friction causes heat. ________






                   Vocabulary



                  Assemble                coming or getting together


                  Grilling                to cook food directly over or under high
                                          heat


                  Hole                    an opening through part of something

                  Image                   a physical likeness or representation


                  Insulator               an  object which does not allow heat to
                                          pass through


                  Kerosene lamp  lamp that uses kerosene to burn

                  Reflect                 to bounce or throw back light rays

                                          or sound waves




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                                     PROPERTY OF UNITED REPUBLIC OF TANZANIA GOVERNMENT
                                           Ministry of Education, Science and Technology
       Science  and Technology 3.indd   31                                                    03/08/2019   11:02
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