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SAI INTERNATIONAL SCHOOL
CLASS-IV
SUBJECT - SCIENCE
CHAPTER 12-WEATHER, AIR AND WATER
SUB TOPIC-WATER
WATER
NO
WATER CYCLE
(The repeated change of water to water vapour and
then back to water , is called water cycle.)
EVAPORATION: PRECIPITATION:
water changes CONDENSATION:
to water water vapour gets when clouds pass
vapour on converted into through cooler
heating droplets of water air, they become
on cooling heavy and they
fall on land
