Page 196 - Math Genius C3
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               \ 03-Oct-2025  Bharat Arora   Proof-10                                       Reader’s Sign _______________________ Date __________


                                   Gamified Learning                                               Creative Thinking  Experiential Learning




               Objective: To make a sand clock

               Materials Required: Two plastic-bottles, sand, aluminium foil, a marker, stands
               Procedure:

                     Š Get into pairs.

                     Š Take a plastic bottle and fill it with dry and fine sand.

                     Š Cover its mouth with aluminium foil.

                     Š Make a very small hole in the foil.

                     Š Now, place the bottle filled with sand on the other bottle in the
                      inverted position, as shown in the figure.

                     Š Note and mark the sand levels at suitable intervals, say 5 minutes.

                     Š Record the time when the inverted bottle becomes empty.























































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