Motions of the Earth - NCERT Solutions | Class 6 Geography

Описание к видео Motions of the Earth - NCERT Solutions | Class 6 Geography

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✅ In this video,

Class: 6th
Subject: Geography
Chapter: Motions of the Earth
Topic Name: NCERT Solutions - Motions of the Earth (3.3)
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Points covered in this video:-
- NCERT Solutions

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I. What is the angle of inclination of the earth’s axis with its orbital plane?
Ans. The angle of inclination of the Earth’s axis with its orbital plane is 66.5o.

II. Define rotation and revolution.
Ans.
Rotation - Rotation is the movement of the Earth on its axis.
Revolutions - The movement of the Earth around the sun in an orbit (fixed path) is called revolution (second type of motion of the Earth). It takes 365 days (one year) and 6 hours to revolve once around the sun.

III. What is a leap year?
Ans. The movement of the Earth on its axis around the sun takes 365 days and 6 hours.
We ignore six hours for the sake of convenience and consider a year consisting of 365 days. Saved six hours are added to make a day (24 hours) over span of four years.
This surplus day is added to the month of February and in every fourth year, February is of 29 days in spite of 28 days. The year with 366 days is called a leap year.

IV. Differentiate between the Summer and Winter Solstice.
Ans. Summer Solstice: The days are longer with shorter nights in Northern hemisphere in summer while the conditions are reversed in the Southern hemisphere. This position of the Earth is called the summer solstice.
Winter Solstice: The Southern hemisphere experiences summer and it is winter in Northern hemisphere. The days are longer with shorter night in Southern Hemisphere. This position of the Earth is called the winter solstice. .

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