NCERT Solutions - The Earth in the Solar System Class 6 Notes | EduRev

Social Studies (SST) Class 6

Created by: Rohini Seth

Class 6 : NCERT Solutions - The Earth in the Solar System Class 6 Notes | EduRev

The document NCERT Solutions - The Earth in the Solar System Class 6 Notes | EduRev is a part of the Class 6 Course Social Studies (SST) Class 6.
All you need of Class 6 at this link: Class 6

Q 1. Answer the following questions briefly.

(a) How does a planet differ from a star?

Answer: Planet differs from star in the following manner:

• Planet does not have its own light while star emit their own light.

• Planet revolves around a star while star does not revolve around any celestial bodies.

• Planet does not twinkle while star does.

(b) What is meant by the ‘Solar System’?

Answer: The system formed by the sun, eight planets, satellites, asteroids and various other celestial bodies is called the Solar System.

(c) Name all the planets according to their distance from the sun.

Answer: Planets according to their distance from the sun: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune.

(d) Why is the Earth called a unique planet?

Answer: Earth is called a unique planet because this is the only planet where life exists. It has conditions for supporting life. The earth is neither too hot nor too cold. It has water and air, which are very essential for our survival. The air has life-supporting gases like oxygen.

(e) Why do we see only one side of the moon always?

Answer:NCERT Solutions - The Earth in the Solar System Class 6 Notes | EduRevFig. Moon

The moon moves around the earth in about 27 days. It takes exactly the same time to complete one spin. Therefore, only one side of the moon is visible to us on the earth.

(f) What is the Universe?

Answer: The universe consists of billions of galaxies.


Q 2. Tick the correct answer.

(a) The planet known as the “Earth’s Twin” is
(i) Jupiter
(ii) Saturn
(iii) Venus
Ans. (iii) Venus

(b) Which is the third nearest planet to the sun ?
(i) Venus
(ii) Earth
(iii) Mercury
Ans.(ii) Earth

(c) All the planets move around the sun in a
(i) Circular path
(ii) Rectangular path
(iii) Elongated path
Ans. (i) Elongated path

(d) The Pole Star indicates the direction to the
(i) South
(ii) North
(iii) East
Ans. (ii) North

(e) Asteroids are found between the orbits of
(i) Saturn and Jupiter
(ii) Mars and Jupiter
(iii) The Earth and Mars
Ans. (ii) Mars and Jupiter


Q 3. Fill in the blanks.

(a) A group of ____ forming various patterns is called a ____.
Ans. stars, constellation

(b) A huge system of stars is called____.
Ans. galaxy

(c) ____is the closest celestial body to our earth.
Ans. The Moon

(d) ___is the third nearest planet to the Sun.
Ans. Earth

(e) Planets do not have their own____ and ____.
Ans. heat, light

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