Page 216 - SK Year 6 Science DLP
P. 216

`
                              Let
                              Let`s  s
                              Try
                              Try          Catapult
                     Aim        To explain a lever using a catapult model.

                     Apparatus         Scissors, knife, plastic ruler, hole punch, tissue box, pencil,
                     and Materials bottle cap, paper clip, rubber band, and adhesive tape


                     Steps

                      1                           2                            3








                     Cut an opening in the       Punch a hole 3 cm from the   Cut a small opening at the
                     tissue box as shown in      edge of the box and 1 cm     opposite end of the box
                     the picture above.          from the opening. Repeat     near the base. Insert a
                                                 on the other side.           paper clip into it.


                      4                           5                             6








                     Tie a pencil and a ruler in   Stick a bottle cap on the   Tie and stick the rubber
                     the shape of a cross with a  other end of the ruler.     band on the other end of
                     rubber band.                                             the ruler.



                      7                           8                             9







                     Insert the pencil into the   Pull and fix the rubber band  Put a light object in the bottle
                     holes made earlier.         to the paper clip.           cap. Pull backwards and
                                                                              release it.


                        The catapult model is a type of lever. Identify the force, fulcrum, and load in your
                        catapult model.

                                         #TEACHER
                    208                         Catapult is a device used to hurl objects such as stones and others in
                                                the direction of a target.
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