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SAI INTERNATIONAL SCHOOL
CLASS-IV
SUBJECT - SCIENCE
CHAPTER 12-Weather, Air and Water
SUB TOPIC- Weather
WEATHER
Apart from revolution of Earth,
the rays of the sun heat the land,
air and water and cause weather.
change.
LAND WIND WATER
When temperature
The region receiving more Sunlight causes the
sunlight is warm and the becomes less than
winds to blow. zero degree Celsius,
region receiving less water droplets
The process of freeze and form
sunlight is cool. This formation of wind snow.
affects the temperature happens when air is
of that region. heated by sunlight.
