The Changing Season on Earth


 
 
Concept Explanation
 

The Changing Season on Earth

The changing Seasons: A year is usually divided into summer, winter, spring and autumn seasons. Seasons change due to the change in the position of the earth around the sun.

·   On 21st June, the northern hemisphere is tilted towards the sun. The rays of the sun fall directly on the tropic of cancer. As a result, these areas receive more heat. The areas near the poles receive less heat as the rays of the sun are slanting. The North Pole is inclined towards the sun and the places beyond the Arctic Circle experience continuous daylight for about six months.

Since a large portion of the Northern Hemisphere is getting light from the sun, it is summer in the regions north of the equator. The longest day and shortest night at these places occur on 21st June. At this time in the southern Hemisphere all these conditions are reversed. It is winter season there.

Sample Questions
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Question : 1

How many seasons does a year have?

Right Option : A
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Question : 2

The longest day in the Northen hemisphere occurs on which day?

Right Option : C
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Explanation
 
 


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