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1.Define Revolution.
.The earth spins with its 231/2  tiled position , on it own axis , it takes 24 hours or one day to complete one round. This movement of the earth on its own axis is called rotation.

2.What are  the effects  of Rotation on the earth?

  1. It causes day from west to east .
  2. Earth rotates from   west to east . So place in the east experience the day first
  3. Sun rise in the east and set in the west.

3.Define Revolution.

The annual motion of the earth around the sun along its eliptical orbit is called Revolution.that is while spinning on its axis the earth also moves around the sun along its fixed path .The earth takes 3651/4 days or one year to go round the sun once . The movement of the earth is called Revolution.

4.Write  the effect of Revolution on the earth?

The major effect of the revolution is the seasons that are caused in the earth. It changes from place to place.

5.Name the seasons.

.There are four seasons. They are spring , summer , autumn and winter . The season change once in three months.

6.Which season do you like  the most? why?

I like spring because it is a pleasant season that comes between winter and summer. We can see the new leaves on the trees. The plants are in the full bloom.

7.Write a short note on Autumn.

.Autumn is the season between summer and winter. The air begins  to cool . The  trees shed their leaves. This season does not occur in India because  of its geographical location.

8.Name the seasons of India .

. India  has only three predominant seasons.They are Summer season , Rainy season and Winter season.

9.Distinguish between weather and climate.

weather climate

short period of time.

climate is the average weather conditions at a place over a long period of time.
It changes from time to time and place to place. It is stable weather conditions of a larger area and does not change easily.
Weather condition of a place is decided by the factors like sun , wind , rain and clouds. It means average temperature , rain fall etc of a region.

 Q.10.Define eclipse.

Ans.Eclipse is an astronomical event that occurs when one selected object moves in to the shadow of another. There are two types of eclipses. The eclipse, Lunar eclipse. 

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