Page 35 - Science and Technology Std 3
P. 35

FOR ONLINE USE ONLY
                                                 DO NOT DUPLICATE



               Activity 9   To examine materials which allow light to pass
                               through and those which do not
         FOR ONLINE USE ONLY

               Materials   Glass, white paper, cardboard with a hole, a
                                book, torch and water

               Procedure
               (i)  Put a glass full of water on the desk.

               (ii)  Place a cardboard with a hole near the glass of water.

               (iii)  Put a white paper on the opposite side of the glass.


               (iv)  Direct light from the torch towards the hole. Can you
                     see the light from the torch on the paper?








































               (v) When the sun rises in the morning, put a book in the
                    direction of the sun. What do you see?






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                                     PROPERTY OF UNITED REPUBLIC OF TANZANIA GOVERNMENT
                                           Ministry of Education, Science and Technology
       Science  and Technology 3.indd   28                                                    03/08/2019   11:02
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