Page 17 - SK Year 5 Science DLP
P. 17

I agree with you, Ana.
                                      In my opinion, the more        Your opinion can be used
                                      quantity of glycerine is       as the hypothesis of our
                                      used, the longer the time      experiment. I suggest that
                                      it takes for the bubbles        we only use dishwashing
                                      to burst.                      liquid to make our soap

                                                                     solution.





















              We should not waste time.
              Let's conduct this experiment.



                1.  Aim
                    To investigate the relationship between the quantity of glycerine
                    and the time taken for the soap bubbles to burst.

                2.  Problem statement
                    Does different quantity of glycerine affect the time taken for
                    the soap bubbles to burst?

                3.  Hypothesis
                    The more quantity of glycerine is used, the longer the time taken for the
                    soap bubbles to burst.

                4.  Determining the variables
                    • manipulated:  quantity of glycerine.
                    • responding:  time taken for the soap bubbles to burst.
                    • constant:      type of dishwashing liquid, volume of water, size of the
                                      bubbles produced, and the speed of surrounding wind.





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                                                                             1.1.3, 1.1.7, 1.1.8, 1.1.9,
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