NCERT Solutions for Class 6 Geography Chapter 1 The Earth in the Solar System UPDATED

NCERT Solutions for Class 6 Geography Chapter 1 The Earth in the Solar System UPDATED

The Earth is the third planet from the Sun and the only planet to have an atmosphere containing free oxygen, oceans of water on its surface and life. In the solar system, the Earth is the fifth largest of the planets. The Sun, the eight planets and their moons, and smaller planetary objects such as dwarf planets, comets and meteoroids together make up our solar system.

SOLUTIONS FOR CLASS 6 HISTORY CHAPTER 11 “BUILDINGS, PAINTINGS AND BOOKS” UPDATED (2023-24)

1. Answer the following questions briefly:

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

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

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

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

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

(f) What is the universe?

Answer.

(a) The difference between a planet and a star is given below:

Planet	Star
Some celestial bodies do not have their own heat and light. They are lit by the heat and light of the stars. These bodies are called planets.	Some celestial bodies are very big and hot. They are made up of gases, and they have their own heat and light. These celestial bodies are called stars.
Examples – Earth, Mercury, etc.	Example – Sun

b) The Sun, the eight planets, satellites and some other celestial bodies known as meteoroids and asteroids form the solar system.

c) The planets arranged as per their distance from the Sun are – Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune.

d) The Earth is a unique planet in the solar system because:

1. Conditions favourable to support life are probably found only on the Earth.
2. The Earth is neither too hot nor too cold. It has water and air, which are essential for our survival.

e) We always see only one side of the moon because the moon moves around the Earth in about 27 days, and it takes exactly the same time to complete one spin.

f) Millions of galaxies together form the universe. A galaxy is a huge system of billions of stars and clouds of dust and gases.

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2. Tick the correct answer.

(a) The planet known as the “Earth’s Twin” is

(i) Jupiter (ii) Saturn (iii) Venus

(b) Which is the third nearest planet to the Sun?

(i) Venus (ii) Earth (iii) Mercury

(c) All the planets move around the Sun in a

(i) Circular path (ii) Rectangular path (iii) Elongated path

(d) The Pole Star indicates the direction to the

(i) South (ii) North (iii) East

(e) Asteroids are found between the orbits of

(i) Saturn and Jupiter (ii) Mars and Jupiter (iii) The Earth and Mars

Answer.

1. (iii) Venus
2. (ii) Earth
3. (iii) Elongated path
4. (ii) North
5. (ii) Mars and Jupiter

3. Fill in the blanks.

(a) A group of ________ forming various patterns is called a ________.

(b) A huge system of stars is called ________.

(c) ________ is the closest celestial body to Earth.

(d) ________ is the third nearest planet to the Sun.

(e) Planets do not have their own________ and _____________.

Answer.

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

(b) A huge system of stars is called a galaxy.

(c) Moon is the closest celestial body to Earth.

(d) Earth is the third nearest planet to the Sun.

(e) Planets do not have their own heat and light.