Climate and Weather

Category : 7th Class

*   Climate and Weather

 

Climate has a great effect on all the living organisms. Record of weather at a particular place is preserved for long period of time (30 years), which is known as the climate of that place. If observation of temperature of the particular place is high, we say that the climate is hot and if low temperature is recorded then climate is cold.

There are four types of climate in the world. These are polar climate, temperate climate, tropical climate and desert climate.

Polar region receives less amount of solar energy from the Sun, therefore, climate is cold in the polar region.

Look at the following picture of the polar region

 

The weather in the temperate climate is neither too hot in summer and nor too cold in winter.

Weather in the tropical climate is very hot. The rain fall is usually high in the tropical climate. Therefore, high humidity is recorded.

Weather in the desert climate is recorded very hot and dry. The rain fall in the desert is very little.

Weather affects the life of living organisms, which is dependent on the heat of the Sun. The hotness of the air depends on the strength of the solar radiation.

Air is heated by the solar radiation. Amount of water vapor present in the air is called humidity. Humidity of air is expressed in percentage. A humidity of 100% at a particular temperature means that air is saturated with water vapor. Rainfall is measured by an instrument called rain gauge and it is measured in millimeters.

Thermometer is used for the measurement of the temperature. The minimum and maximum temperature is recorded in a day.

 

 

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     Which one of the following climate is very cold?

(a) Polar climate

(b) Temperate climate

(c) Desert climate

(d) Tropical climate

(e) None of these

 

Answer: (a)

 

 

     Maximum rain fall is recorded in which one of the following climate?

(a) Tropical

(b) Temperate

(c) Polar climate

(d) Desert climate

(e) None of these

 

Answer: (a)



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