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The Earth in the Solar System Class 6 Extra Questions Geography Chapter 1
Class 6 Geography Chapter 1 Extra Questions And Answers Question 1.
What is Akash Ganga?
Answer:
The Milky Way is known as the Akash Ganga in India
The Earth In The Solar System Class 6 Worksheets With Answers Question 2.
What is Ursa Major?
Answer:
Saptarishi is called Ursa Major in Latin.
Class 6 Geography Chapter 1 Questions And Answers Question 3.
What is Big Bear?
Answer:
Saptarishi is called Big Bear in English.
Extra Questions For Class 6 Geography Chapter 1 Question 4.
When will you see more stars at night?
Answer:
We can see more stars on a new moon night (Amavasya).
The Earth In The Solar System Class 6 Extra Questions Question 5.
What is Milky Way?
Answer:
On a clear starry night, a white glowing path is visible across the sky. This path or band is the Milky Way galaxy.
Ncert Class 6 Geography Chapter 1 Extra Questions Question 6.
What is Saptarishi?
Answer:
In the night sky, the stars form various patterns and designs. A group of stars forming a particular pattern or design is called a constellation. Saptarishi is one such constellation (Sapt → seven, Rishi→ sages).
Geography Chapter 1 Class 6 Extra Questions Question 7.
What is North Star?
Answer:
In ancient times, people watched stars to determine the directions. The direction north is indicated by the North Star because it is seen directly above the north pole. It always remains in the same position in the sky.
Class 6 Geography Chapter 1 Short Question Answer Question 8.
What does the solar family consist of?
Answer:
The solar family includes the sun, the planets and their satellites and other heavenly bodies.
Geography Class 6 Chapter 1 Extra Questions Question 9.
Why is Venus called the Earth’s twin?
Answer:
Venus is considered as Earth’s twin because its size and shape are very much similar to that of the Earth.
Chapter 1 Geography Class 6 Extra Questions Question 10.
Why is the earth called the blue planet?
Answer:
From the space the earth appears blue because of the presence of water. Therefore, the earth is called the blue planet.
Cbse Class 6 Geography Chapter 1 Extra Questions Question 11.
Why does not the moon support life?
Answer:
The moon does it have conditions favourable for life. In the daytime, it is very hot, while at night it becomes very cold. There is no oxygen and water on the moon which are essential for life.
Class 6 Geography Chapter 1 Notes Question Answer Question 12.
What are asteroids? Name the largest asteroid.
Answer:
Apart from the planets and satellites, there are numerous tiny bodies which also revolve around the sun. These bodies are called asteroids. They are found between the orbits of Mars and Jupiter. The largest asteroid is the Ceres.
Earth In The Solar System Class 6 Extra Questions Question 13.
Give two examples of meteorites.
Answer:
Examples of minorities are :
1. In Arizona, USA.
The Earth In The Solar System Class 6 Extra Questions And Answers Question 14.
What is an orbit?
Answer:
The planets move around the sun in fixed paths called the orbits.
Class 6 Geography Chapter 1 Extra Questions Question 15.
Write a few lines about the moon.
Answer:
Our earth has only one natural satellite i.e., moon. Its diameter is only that of the earth. The moon is about 384,400 km. away from us.
Question 16.
Differentiate between a Meteor and a Meteorite.
Answer:
Meteor Meteorite A meteoroid starts to bum when it enters the earth’s atmosphere. It is then called a meteor. It causes a flash of light. A meteor, without being ” completely burnt, falls on the earth and creates a hollow which is called a meteorite.
Question 17.
Write a few lines about the sun.
Answer:
The sun is at the centre of the solar system. It is the head of the family. It is made up of extremely hot gases. It provides the gravitational pull that binds the solar system. It is also a massive storehouse of energy. The sun is about 150 million km away from the earth.
Multiple Choice Questions
1. Which one of the following terms is used for the full moon night?
(a) Amavasya
(b) Poornima
(c) Equinox
(d) Summer solstice.
Answer:
(b) Poornima
2. Which one of the following terms is used for Amavasya?
(a) Full moon
(b) Summer solstice
(c) New moon
(d) Equinox
Answer:
(c) New moon
3. Which one of the following statements is true about the celestial bodies?
(a) The sun, moon and all those objects shining in the night sky
(b) The sun and the earth that has life-supporting conditions
(c) The narrow zone of the earth surface where the atmosphere, hydrosphere and lithosphere meets
(d) Major domain of water.
Answer:
(a) The sun, moon and all those objects shining in the night sky
4. The celestial bodies are made of which one of the following objects?
(a) Water
(b) Minerals
(c) Rocks
(d) Gases.
Answer:
(d) Gases.
5. Which one of the following have their own heat and light?
(a) Earth
(b) Stars
(c) Saturn
(d) Asteroids
Answer:
(b) Stars
6. Which one of the following is a star?
(a) Neptune
(b) Saturn
(c) Sun
(d) Moon
Answer:
(c) Sun
7. Why does the sun look so big as compared to the other stars?
(a) It is very close to us
(b) It is very far from us
(c) It is extremely big
(d) It is the biggest star.
Answer:
(a) It is very close to us
8. Which one of the following names is used for the different groups of stars?
(a) Comet
(b) Asteroid
(c) Constellation
(d) Galaxy
Answer:
(c) Constellation
9. Which one of the following is a constellation?
(a) Pole star
(b) Ursa Major/Big Bear
(c) Moon
(d) Phobos
Answer:
(b) Ursa Major/Big Bear
10. Which one of the following indicates the north direction?
(a) Saptarishi
(6) Ursa Major
(c) North/Pole star
(d) Big Bear
Answer:
(c) North/Pole star.
→ Stars: The sun and the twinkling objects that we see at night are called stars.
→ Celestial bodies: All the objects that we see in the sky, the sun, moon and millions of bright objects are called the celestial bodies. They seem to be hanging from the space, which the ancients called heaven.
→ Universe : The Universe consists of stars, planets, satellites, dust or gases. Sun is a very big star. Planets do not have their own heat or light. They are lit by the light of the stars. All these heavenly bodies form the universe.
→ Galaxy: A galaxy is a huge system of stars. It has millions of stars very close to one another. There are millions of galaxies in the universe.
→ Constellation: In the night sky the stars from various patterns and designs. A group of stars forming a particular pattern or design is called a constellation.
→ Solar system: It includes the sun, the planets and their satellites and other heavenly bodies.
→ Geoid: It means earth like shape. The earth is slightly flattened at the poles.
→ Satellite: Heavenly body that revolves around a planet in the same way as planets revolve around the sun.
→ Sun: It is the centre of the solar system. It is the biggest member of the solar family and without its energy, life cannot exist on the earth.
→ Asteroids: There are numerous tiny bodies which revolve around the sun. They are found between the orbits of Mars and Jupiter. These bodies are called asteroids.
→ Meteoroids: The small pieces of rocks which revolve around the sun are called meteoroids.