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Class 6
Social Science - The Earth Our Habitat
Motions of the Earth
Answer the following questions briefly. (a) What is the angle of in...

Answer the following questions briefly. | Class 6 Social Science - The Earth Our Habitat Chapter Motions of the Earth, Motions of the Earth NCERT Solutions

Welcome to the NCERT Solutions for Class 6 Social Science - The Earth Our Habitat - Chapter Motions of the Earth. This page offers a step-by-step solution to the specific question from Exercise 1, Question 1: . With detailed answers and explanations for each chapter, students can strengthen their understanding and prepare confidently for exams. Ideal for CBSE and other board students, this resource will simplify your study experience.

Question 1:

Answer the following questions briefly.

(a) What is the angle of inclination of the earth’s axis with its orbital plane?
(b) Define rotation and revolution.
(c) What is a leap year?
(d) Differentiate between the Summer and Winter Solstice.
(e) What is an equinox?
(f) Why does the Southern Hemisphere experience Winter and Summer Solstice in different times than that of the Northern Hemisphere?
(g) Why do the poles experience about six months day and six months night?

Answer:

(a) The angle of inclination of the Earth’s axis with its orbital plane is 66 ½◦.

(b) Rotation:

The movement of the Earth on its axis is called rotation.
The Earth takes 24 hours to complete one rotation.
Days and nights are caused due to rotation of the Earth.

Revolution:

The movement of the Earth around the sun in a fixed path or the orbit is called revolution.
The Earth takes 365 days six hours to complete one revolution.
Seasons are caused due to revolution of the Earth.

(c) A year with 366 days is called leap year. It occurs once in four years on the month of February and it is 29^th day of that month. It is also called intercalary year. The Earth do not take exact 365 days in an year and 24 hours in a day, so we add them as one extra day once in four year.

(d) Differences between summer and winter solstice are as follows:

Summer Solstice	Winter Solstice
Summer solstice occurs on 21^st June in Northern Hemisphere.	Winter Solstice occurs on 22^nd December in Southern Hemisphere.
The Northern Hemisphere experiences more heat and light.	Southern Hemisphere experiences less heat and light.
It is summer in Northern Hemisphere.	It is winter in Southern Hemisphere.
Days are longer and nights are shorter.	Nights are longer and days are shorter.

(e) On 23^rd September and 21^st March, the rays of sun directly falls on the equator. So, at that position neither of the poles are tilted. So at that specific or we can say a particular day the earth experiences equal days and nights and this is called as equinox.

(f) The Southern Hemisphere experience winter and summers solstice in different times than that of the Northern Hemisphere because:

Southern Hemisphere is tilted towards the Sun on 22^nd December, so summer Solstice is there in Southern Hemisphere. At that time Winter Solstice is in Northern Hemisphere.
In 21^st June the Northern Hemisphere is tilted towards the Sun, so Summer Solstice is there and Winter Solstice is in the Southern Hemisphere.

(g) The poles experiences about six months day and six months night because:

When Northern Hemisphere is tilted towards the Sun, The North Pole remains in the light for the whole day. This position remains for six months from 21^st March- 23^rd September.
On the same time Southern Hemisphere is away from the Sun, the South Pole does not get light for six months. So it experiences night for six months and vice versa.

Other Questions of Chapter Motions of the Earth

Fill in the blanks.

(a) A leap year has _______________ number of days.
(b) The daily motion of the earth is _______________.
(c) The earth travels around the sun in ______________ orbit.
(d) The sun’s rays fall vertically on the Tropic of ___________ on 21st June.
(e) Days are shorter during ___________ season.

Tick the correct answers.

(a) The movement of the earth around the sun is known as
(i) Rotation (ii) Revolution (iii) Inclination

(b) Direct rays of the sun fall on the equator on
(i) 21 March (ii) 21 June (iii) 22 December

(d) Cycle of the seasons is caused due to
(i) Rotation (ii) Revolution (iii) Gravitation

Popular questions of class 6 Social Science - The Earth Our Habitat

Tick the correct answers.
(a) The value of the prime meridian is
(i) 90° (ii) 0° (iii) 60°

(b) The frigid zone lies near
(i) the Poles (ii) the Equator (iii) the Tropic of Cancer

(d) The Antarctic circle is located in
(i) the Northern hemisphere
(ii) the Southern hemisphere
(iii) the Eastern hemisphere

(e) Grid is a network of
(i) parallels of latitudes and merdians of longitudes
(ii) the Tropic of Cancer and the Tropic of Capricorn
(iii) the North Pole and the South Pole

Answer the following questions briefly.
(a) What is the true shape of the earth?
(b) What is a globe?
(c) What is the latitudinal value of the Tropic of Cancer?
(d) What are the three heat zones of the Earth?
(e) What are parallels of latitude and meridians of longitude?
(f) Why does the torrid zone receive maximum amount of heat?
(g) Why is it 5.30 p.m. in India and 12.00 noon in London?

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

(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

Fill in the blanks.

(a) The deepest point on the earth is _____________ in the Pacific Ocean.
(b) The _____________ Ocean is named after a country.
(c) The _____________ is a narrow contact zone of land, water and air that supports life.
(d) The continents of Europe and Asia together are known as _____________.
(e) The highest mountain peak on the earth is _____________.

Tick the correct answers.

(a) The mountains differ from the hills in terms of
(i) elevation (ii) slope (iii) aspect

(b) Glaciers are found in
(i) the mountains (ii) the plains (iii) the plateaus

(d) The river Yangtze flows in
(i) South America (ii) Australia (iii) China

(e) An important mountain range of Europe is
(i) the Andes (ii) the Alps (iii) the Rockies

Fill in the blanks.
1. A ___________ is an unbroken flat or a low-level land.
2. The Himalayas and the Alps are examples of _______________types of mountains.
3. _____________ areas are rich in mineral deposits.
4. The _________________ is a line of mountains.
5. The ____________areas are most productive for farming.

Tick the correct answers.

(a) The southernmost Himalayas are known as
(i) Shiwaliks (ii) Himadri (iii) Himachal

(b) Sahyadris is also known as
(i) Aravali (ii) Western Ghats (iii) Himadri

(c) The Palk Strait lies between the countries
(i) Sri Lanka and Maldives
(ii) India and Sri Lanka
(iii) India and Maldives

(d) The Indian islands in the Arabian Sea are known as
(i) Andaman and Nicobar Islands
(ii) Lakshadweep Islands
(iii) Maldives

(e) The oldest mountain range in India is the
(i) Aravali hills (ii) Western ghats (iii) Himalayas

Tick the correct answers.

(a) Maps showing distribution of forests are
(i) Physical map (ii) Thematic Map (iii) Political map

(b) The blue colour is used for showing
(i) Water bodies (ii) Mountains (iii) Plains

(d) A scale is necessary
(i) For a map (ii) For a sketch (iii) For symbols

Fill in the blanks.
(a) India has an area of about ________________.
(b) The Greater Himalayas are also known as_________________.
(c) The largest state in India in terms of area is__________________.
(d) The river Narmada falls into the __________________ sea.
(e) The latitude that runs almost halfway through India is ___________.

(a) The mountain range that separates Europe from Asia is
(i) the Andes (ii) the Himalayas (iii) the Urals

Tick the correct answers.

(b) The continent of North America is linked to South America by
(i) an Isthmus (ii) a Strait (iii) a Canal

(d) The domain of the earth consisting of solid rocks is
(i) the Atmosphere (ii) the Hydrosphere (iii) the Lithosphere

(e) Which is the largest continent?
(i) Africa (ii) Asia (iii) Australia

Recently Viewed Questions of Class 6 Social Science - The Earth Our Habitat

Answer the following questions briefly.

(a) Name the major physical divisions of India.
(b) India shares its land boundaries with seven countries. Name them.
(c) Which two major rivers fall into the Arabian Sea?
(d) Name the delta formed by the Ganga and the Brahmaputra.
(e) How many States and Union Territories are there in India? Which states have a common capital?
(f) Why do a large number of people live in the Northern plains?
(g) Why is Lakshadweep known as a coral island?

Tick the correct answers.

(a) The southernmost Himalayas are known as
(i) Shiwaliks (ii) Himadri (iii) Himachal

(b) Sahyadris is also known as
(i) Aravali (ii) Western Ghats (iii) Himadri

(c) The Palk Strait lies between the countries
(i) Sri Lanka and Maldives
(ii) India and Sri Lanka
(iii) India and Maldives

(d) The Indian islands in the Arabian Sea are known as
(i) Andaman and Nicobar Islands
(ii) Lakshadweep Islands
(iii) Maldives

(e) The oldest mountain range in India is the
(i) Aravali hills (ii) Western ghats (iii) Himalayas

Tick the correct answers.

(a) Maps showing distribution of forests are
(i) Physical map (ii) Thematic Map (iii) Political map

(b) The blue colour is used for showing
(i) Water bodies (ii) Mountains (iii) Plains

(d) A scale is necessary
(i) For a map (ii) For a sketch (iii) For symbols

Tick the correct answers.
(a) The value of the prime meridian is
(i) 90° (ii) 0° (iii) 60°

(b) The frigid zone lies near
(i) the Poles (ii) the Equator (iii) the Tropic of Cancer

(d) The Antarctic circle is located in
(i) the Northern hemisphere
(ii) the Southern hemisphere
(iii) the Eastern hemisphere

(e) Grid is a network of
(i) parallels of latitudes and merdians of longitudes
(ii) the Tropic of Cancer and the Tropic of Capricorn
(iii) the North Pole and the South Pole

Answer the following questions briefly.
(a) Which winds bring rainfall in India? Why is it so important?
(b) Name the different seasons in India.
(c) What is natural vegetation?

Tick the correct answers.

(a) The world’s highest rainfall occurs in
(i) Mumbai (ii) Asansol (iii) Mawsynram

(b) Wild goats and snow leopards are found in
(i) Himalayan region
(ii) Peninsular region
(iii) Gir forests

(c) During the south west monsoon period, the moisture laden winds blow from
(i) land to sea (ii) sea to land (iii) plateau to plains

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 the following questions briefly.

(a) What are the three components of a map?
(b) What are the four cardinal directions?
(c) What do you mean by the term ‘the scale of the map’?
(d) How are maps more helpful than a globe?
(e) Distinguish between a map and a plan.
(f) Which map provides detailed information?
(g) How do symbols help in reading maps?

Fill in the blanks.

Study Tips for Answering NCERT Questions:

NCERT questions are designed to test your understanding of the concepts and theories discussed in the chapter. Here are some tips to help you answer NCERT questions effectively:

Read the question carefully and focus on the core concept being asked.
Reference examples and data from the chapter when answering questions about Motions of the Earth.
Review previous year question papers to get an idea of how such questions may be framed in exams.
Practice answering questions within the time limit to improve your speed and accuracy.
Discuss your answers with your teachers or peers to get feedback and improve your understanding.

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