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SAI INTERNATIONAL SCHOOL


                                                   CLASS -IV -SCIENCE


                                                        Chapter 11- THE SOLAR SYSTEM

                                                         Sub Topic- Movements of the Earth









                                                        MOVEMENTS
                                                        OF THE EARTH








                                   ROTATION                           REVOLUTION







                       Notes:

                       Earth shows two types of movements, such as
                       i)Rotation-Earth’s movement on its own axis is known as

                       rotation.It takes 24 hours for the Earth to complete the
                       rotation. This rotation causes day and night on the Earth.

                        ii)Revolution-The movement of the planets around the
                       sun in a fixed orbit is known as revolution.Earth also
                       revolves around the sun.
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