Class 6 Geography The Earth in the Solar System Question Answer NCERT Solution in Hindi. NCERT Class 6 Geography Notes, Textual Question Answer and Important Question Answer also Available for Various Board Students like HBSE, CBSE, UP board, Mp Board, RBSE and some other State Boards.
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NCERT Solution for Class 6 Geography Chapter 1 The Earth in the Solar System Textual Question Answer.
The Earth in the Solar System Class 6 Geography Chapter 1 Question Answer
Q. 1. Answer the following Questions briefly :
(a) How does a planet differ from a star ?
(1) Stars are heavenly bodies shining by their own heat and light.
(2) Millions of stars, scattered in space, occur in clusters.
(3) Stars emit a large amount of heat and light.
(4) Stars twinkle due to radi- ation of their heat and light.
(1) Planets are opaque heavenly bodies which reflect the light of the sun.
(2) Eight planets revolve around the sun.
(3) Planets reflect the light of the sun.
(4) Planets do not twinkle.
(b) What is meant by the Solar System ?
Ans. The solar system consists of :-
(i) The sun
(ii) 8 Planets
(iii) 60 Satellites
(iv) Other heavenly bodies
It also includes Asteroids, comets and meteors. The solar system is also called the solar family.
(c) Name all the planets according to their distance from the sun.
Ans. Mercury is the nearest planet to the sun. Neptune is the farthest planet from the sun. In order of the distance from the sun, the planets are
(i) Mercury (ii) Venus (iii) Earth (iv) Mars (v) Jupiter, (vi) Saturn (vii) Uranus (viii) Neptune.
(d) Why is the earth called a unique planet ?
Ans. The earth is a unique planet because it is the only planet having life for animals and plants. It is a unique planet due to following reasons :
(i) The presence of Oxygen and Nitrogen in the atmosphere around the earth favours the existence of life on the earth.
(ii) Water cycle on the earth provides water for all living beings.
(iii) The earth is neither too hot nor too cold. Moderate temperatures favour life on the earth.
(iv) Ozone layer protects us from harmful solar rays (ultra-violet rays).
(e) Why do we see only one side of the Moon always ?
Ans. The Moon is a satellite of the Earth. It moves around the Sun along with the Earth. It takes 27 days to revolve around the earth. It takes exactly the same time to complete one rotation about its axis. That is why we can see only one side of the Moon. The other side always remains away from us.
(f) What is the Universe ?
Ans. The Universe is a vast, infinite, heavenly space which comprises all the heavenly (celestial) bodies. It includes stars, planets, dust or gases and several galaxies of stars. Thus the universe is the whole body of all these stars and planets.
Q. 2. Tick the Correct Answer:
(a) The planet known as the Earth’s twin is..
Ans. (iii) Venus.
(b) Which is the third nearest planet to the sun ?
Ans. (ii) Earth.
(c) All the planets move around the sun in a ……
(i) Circular path
(ii) Rectangular path
(iii) Elongated path.
Ans. (iii) Elongated path.
(d) The pole star indicates the direction of the :
Ans. (ii) North.
(e) Asteroids are found between the orbits of :
(i) Saturn and Jupiter
(ii) Mars and Jupiter
(iii) Earth and Mars.
Ans. (ii) Mars and Jupiter.
Q. 3. Fill in the blanks :
(a) A group of …….. forming various shapes is called a ……….. .
(b) A huge system of stars is called …….
(c) …………. is the closest celestial body to our earth.
(d) …….. is the third nearest planet to the Sun.
(e) Planets do not have their own …….. and
Ans. (a) Stars, Constellation,
(e) heat and light.