Page 17 - SCIENCE DLP T6 SK (SEMAKAN 2017)
P. 17

Magic Water



             Apparatus and materials: two clear glasses of the same size, a piece of
             hard plastic sheet, an oven glove, cold water, hot water, two different food
             colourings
                                                               Be careful when handling
             Steps:                                            hot water.
             1.                           2.                           3.







                                                 A          B                 A         B
                     A          B


                                               cold        hot

               Label the glasses as A       Add a few drops of red       Place a piece of hard
               and B. Pour cold water       colouring into glass A       plastic sheet on top of
               into glass A and hot         and green colouring into     glass B and press it using
               water into glass B.          glass B. Then, stir each     an oven glove.
                                            solution well.

             4.                           5.                           6.


                                                        B
                                 B                                                  B


                     A
                                                        A
                                                                                    A



               Invert glass B and place     Ensure that the positions    Pull the hard plastic
               it on top of glass A.        of glasses A and B are as    sheet slowly and
                                            shown in the picture.        observe.



              Questions:
              1.  What is your observation for the activity carried out? Explain.
              2.  What science process skills are involved in this activity?






                 1.1.1, 1.1.3, 1.1.5,
                1.1.6, 1.1.9, 1.1.10,                                                                 9
                  1.1.11, 1.1.12








             8.2.6
             8.2.7
   12   13   14   15   16   17   18   19   20   21   22