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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