Answer:

⇒Rotation:

1. Rotation is the  movement of the earth on its axis.
2. The ancient Indian astronomer Aryabhata had stated that ‘the  earth is round and  rotates on its own axis’.
3. Day and Night on the Earth due to rotation.  

⇒Revolution:

1. The movement of  the earth around the sun in a fixed path or orbit is  called Revolution.
2. The second motion of the earth around the sun in its orbit is called revolution. It takes 365¼ days (one year) to revolve around the sun. We consider a year as consisting of 365 days only and ignore six hours for  the sake of convenience.
3. Inclination of the Earth’s  axis and the orbital plane.

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