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SAI INTERNATIONAL SCHOOL

                                                       CLASS-IV


                                                  SUBJECT - SCIENCE

                                     CHAPTER 12-WEATHER, AIR AND WATER

                                       SUB TOPIC-TYPES OF PRECIPITATION






                                                    PRECIPITATION
                                                           NO








                       RAIN             FOG            DEW              FROST          HAIL         SNOW









               NOTES:


               TYPES OF PRECIPITATION:

               FOG: Fog occurs when warm air cools rapidly and forms tiny water droplets
               that linger in the air.


               DEW: Sometimes water vapour condenses into tiny droplets on ground,
               grass, plants and window panes. This is known as dew.

               FROST: In extremely cold places, the dew drops freeze to form ice. Jt is called
               frost.


               HAIL: In cold places, raindrops  freeze into balls of ice while passing through
               the cold air, in the atmosphere. These frozen raindrops  fall as icy hail stones.
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