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SAI INTERNATIONAL SCHOOL, BHUBANESWAR.

Class IX: SOCIAL STUDIES – GEOGRAPHY

CHAPTER - 4- CLIMATE

(VIRTUAL CLASSES)

MODULE NO-01

NOTES FOR CHAPTER-4- CLIMATE

1. Sub Topic- INTRODUCTION CLIMATE (pg 26)

A. INTRODUTION

 Climate refers to the sum total of weather conditions and variations over a large area
for a long period of time (more than thirty years).
 Weather refers to the state of the atmosphere over an area at any point of time.

The elements of weather and climate are the same, i.e. temperature, atmospheric pressure,
wind, humidity and precipitation.

BASIS FOR
COMPARISON WEATHER CLIMATE

Meaning Weather is day-to-day Climate is statistical weather
information of the changes in the information that provides
atmospheric condition in any information about the average
area. weather condition of a particular
place over a long period.

Duration The short term atmospheric The long term average weather
condition of any place is the atmospheric condition of a place
weather, which may vary by time- or country is the climate.
to-time.

Changes observed The changes in the weather The changes in climate take a
condition can be observed very longer time to change.
frequently.

Studied by Weather forecasting is observed The Climate Prediction Centre
by the Meteorological predicts climate and its study is
Department of any particular known as Climatology.
place, and the study is known as
Meteorology.