Page 227 - New Medley 4 Semester 2 PDF (Merged)
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WHAT IS CLIMATE
The climate is the average weather condition at a particular place over a long
period of time, say for many years. For example, deserts have hot and dry climate
while the climate of Antarctica is very cold and dry.
Deserts have hot and dry climate Antarctica has very cold and dry climate
ROLE OF THE SUN IN WEATHER CHANGES
The sun is a major factor affecting the weather. It is the main source of heat on
the earth. The measure of hotness or coldness is called temperature.
Temperature is usually higher during the day
than at night. Rural areas are often cooler than
towns and cities. This is because the large
number of buildings in towns and cities absorb
heat during the day and release it slowly at
night. This warms up the surrounding air.
Evening Noon Morning
The mornings and evenings are cooler because during these times, the sunrays
are slanting when they fall on the Earth. This causes them to spread over
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