HBSE 6th Class Social Science Solutions Geography Chapter 1 The Earth in the Solar System

Haryana State Board HBSE 6th Class Social Science Solutions Geography Chapter 1 The Earth in the Solar System Textbook Exercise Questions and Answers.

Haryana Board 6th Class Social Science Solutions Geography Chapter 1 The Earth in the Solar System

HBSE 6th Class Geography The Earth in the Solar System Textbook Questions and Answers

Chapter 1 The Earth In The Solar System HBSE 6th Class Social Science Question 1.
Answer the following questions briefly:
(a) How does a planet differ from a star?
Answer:

A Star	A Planet
1. It has its own heat and light.	1. It reflects the light of the sun.
2. There are millions of stars.	2. There are only eight planets.
3. Stars are fixed.	3. Planets revolve round the sun.
4. A planet is usually smaller than a star.	4. Stars are very huge objects compared to a planet in general.

(b) What is meant by ‘The Solar System’?
Answer:
The solar system refers to the solar family. The sun, the eight planets, satellites and other heavenly bodies make up the solar system.

(c) Name all the planets according to their distances from the sun.
Answer:
The names of planets in order of their distance from the Sun is as follows :

• Mercury
• Venus
• Earth
• Mars
• Jupiter
• Saturn
• Uranus
• Neptune

(d) Why in the Earth called a unique planet?
Answer:
The Earth is called a unique planet in the solar system because it is the only planet that supports life.
These conditions are :

• Suitable temperature (neither too hot nor too cold)
• Availability of water.
• Breathable atmosphere with life-giving oxygen and ozone layer.

(e) Why do we see only one side of the moon always?
Answer:
One revolution of the moon around the earth takes about 27 days. It also takes exactly the same time to complete one spin. So we can see only one side of the moon always.

(f) What is the Universe?
Answer:
The universe is the collection of millions of galaxies. It is the largest unit in which we live.

Solar System 6th Class HBSE Social Science Question 2.
Tick the correct answer.
(а) The planet known as the “Earth’s Twin” is :
(i) Jupiter
(ii) Saturn
(iii) Venus
Answer:
(iii) Venus

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

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

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

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

The Earth in the Solar System HBSE 6th Class Social Science Question 3.
Fill in the blanks:

1. A group of ________ forming various patterns is called a ________.
2. A huge system of stars is called ________.
3. ________ is the closest celestial body to our earth.
4. ________ is the third nearest planet to the sun.
5. Planets do not have their own ________ and ________.

Answer:

1. stars, constellation
2. galaxy
3. The moon
4. The earth
5. heat, light.

HBSE 6th Class Geography The Earth in the Solar System Important Questions and Answers

Very Short Answer Type Questions

Question 1.
Which is the largest planet?
Answer:
Jupiter is the largest planet. It is 140 times larger than our earth.

Question 2.
What is a satellite?
Answer:
A satellite is a smaller body which goes around the planet.

Question 3.
Which are the inner planets?
Answer:
Mercury, Venus, Earth and Mars are called the inner planets.

Short Answer Type Questions

Question 1.
Where does the word ‘planet’ come from? What are planets?
Answer:
The word ‘planet’ comes, from the Greek word ‘Planetai’ which means ‘wanderers’. The planets are the celestial bodies which revolve around the sufi and they do not have their own heat and light.

Question 2.
Write a note on ‘Pole Star*.
Answer:
The Pole star (North star) indicates the north direction. It always remains in the same position in the sky. We can locate the position of the Pole Star with the help of the Saptarishi.

Question 3.
Why is the earth called a blue planet?
Answer:
The earth is the only planet which has two-third of its area covered with water. Presence of water makes up the earth a blue planet.

Question 4.
Name the planets according to their size in the solar system.
Answer:
The names of the planets according to their size in the solar system are:

• Jupiter
• Saturn
• Uranus
• Neptune
• Earth
• Venus
• Mercury
• Mars

Question 5.
What are shooting stars?
Answer:
Meteors are known as shooting stars. At night, some stars suddenly leave their place and move away very fast like a flash having streak of light behind them very often these appear to come very near to the earth.

Question 6.
Why is there no life on the Moon?
Answer:
There is no life on the moon because the moon does not have conditions favourable for life. It has neither water nor air. It has mountains, plains and depressions on its surface.

Long Answer Type Questions

Question 1.
Distinguish between Planets and Satellites.
Answer:

Planets	Satellites
(A) They revolve around the sun.	(A) Satellites revolve around the planets.
(B) There are eight planets.	(B) There are around 140 satellites.
(C) There are only natural planets.	(C) They are both natural and man made satellites.
(D) They donot have their own light. They get heat and light from the sun.

Question 2.
Distinguish between comets and asteroids.
Answer:

Comets	Asteroids
(A) Comets are made up of dust particles and frozen gases.	(A) They are small bodies found between Mars and Jupiter.
(B) They glow when they were close to the sun.	(B) They do not glow.
(C) For example: Halley’s Comet.	(C) For example : Ceres.

Question 3.
What is a human-made satellite? How does it work?
Answer:
A human-made satellite is designed by scientists to gather information about the universe or for communication. For example : INSAT, IRS, EDUSAT. It is carried by a rocket and placed in the orbit around the earth.

Question 4.
Distinguish between Comets and Meteors.
Answer:

Comets	Meteors
1. Comets have long tails behind them.	1. Meteors are known as shooting stars.
2. They move around the sun but their paths are highly elongated.	2. They leave their place suddenly and move away fast leaving a streak of light behind them.
3. They appear after long intervals.	3. Sometimes they come very close to the Earth.

Question 5.
Why is Pluto no longer considered a planet?
Answer:
Pluto is no longer considered a planet because in a meeting of the international Astronomical Union, adecision was taken that Pluto like other celestial bodies (Ceres, 2003, UB313) discovered in recent past may be called dwarf planets.

The Earth in the Solar System Class 6 HBSE Notes

• Universe : The vast unlimited space consisting of millions of galaxies.
• Constellation : A group of stars forming a particular pattern or design is called constellation.
• Satellite : Small celestial bodies revolving around a planet.
• Solar System : The sun and the celestial bodies revolving around it.
• Comet: Object that moves around the sun in a long elliptical orbit.
• Light Year : The distance that light travels in a year at a speed of 3,00,000 kilometres per second.
• Man-made Satellites : These are carried by the rocket and placed in the orbit of the earth.
• Asteroids : The tiny heavenly bodies which revolve around the sun are called asteroids.
• Meteroids : Small pieces of rock and dust that burn when they enter the earth’s atmosphere.
• Orbit: The particular and definite elliptical path in which a planet (or satellite) always remains, is called the orbit of that planet (or satellite).