Page 179 - New Medley 3 Semester 2
P. 179

Sun


         e position of the sun decides if it is going to be a hot day or a cold day.
        During midday, the sun is overhead and the                                                     • Analysing

        sunrays fall straight on the Earth, making it                     Activity

        the hottest time of the day.  e mornings and                     Find out what the weather is like on
        evenings  are  cooler  because  at  this time  the               the day you are studying this lesson.

        sunrays fall slanting.  e slanting rays spread                   You can read it in the left column of
                                                                         the front page of most newspapers.
        over a larger area and hence give less heat.

























                 The sunrays fall slanting        The sunrays fall straight      The sunrays fall slanting
                      in the evening                      at noon                     in the morning
        Clouds


         e weather also depends on the clouds. If there are
        clouds in the sky, the weather is cool even during the
        noon  or a ernoon. It  is because  the clouds  do not

        allow the sunrays to reach us. Cloudy days are cooler
        than bright sunny days.  e weather is pleasant on a

        summer-cloudy day but cool on a winter-cloudy day.
        Also, cloudy nights are warmer than the clear nights.                             A cloudy day

         is is because clouds act as blankets and do not allow the heat from the earth to


        go out into space.  e clouds may also bring rain and make the weather cooler.

        Wind


         e weather also depends on wind.  e wind can be warm or cool. Hot wind
        blowing in summer is called loo. It makes the place warm. Wind is cool during



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