Page 1 - 1.Mindmap-Machines
P. 1

SAI INTERNATIONAL SCHOOL


                                                       CLASS-IV

                                                  SUBJECT - SCIENCE


                                     CHAPTER 10-FORCE, WORK AND ENERGY

                                           SUB TOPIC- SIMPLE MACHINES






                                                 SIMPLE MACHINES
                                                           NO




                                                          NOTES
                     LEVER                         SCISSORS,BOTTLE OPENER, SEE-
                                                                   SAW



                     PULLEY                               CRANE, WELL, LIFT




                     WHEEL AND                        CYCLES, SEWING MACHINES,DOOR

                     AXLE                                   KNOB, SCREW DRIVER

                     INCLINED

                                                            RAMPS, SLIDES , STAIRS
                     PLANE



                     SCREW
                                                                   SCREWS



                     WEDGE
                                                                  AXE, KNIFE
   1   2