NCERT Solutions Class 7 Social Science Chapter 2 Inside Our earth

NCERT Solutions Class 7 Social Science Chapter 2 Inside Our earth have been provided below and is also available in Pdf for free download. The NCERT solutions for Class 7 Social Science have been prepared as per the latest syllabus, NCERT books and examination pattern suggested in Class 7 by CBSE, NCERT and KVS. Questions given in NCERT book for Class 7 Social Science are an important part of exams for Class 7 Social Science and if answered properly can help you to get higher marks. Refer to more Chapter-wise answers for NCERT Class 7 Social Science and also download more latest study material for all subjects. Chapter 2 Inside Our earth is an important topic in Class 7, please refer to answers provided below to help you score better in exams

Chapter 2 Inside Our earth Class 7 Social Science NCERT Solutions

Class 7 Social Science students should refer to the following NCERT questions with answers for Chapter 2 Inside Our earth in Class 7. These NCERT Solutions with answers for Class 7 Social Science will come in exams and help you to score good marks

Chapter 2 Inside Our earth NCERT Solutions Class 7 Social Science

 

NCERT Solutions for Class 7 for Social Science Geography Chapter 2 Inside Our Earth

1. Answer the following questions: 

(i) What are the three layers of the earth? 

Ans. The three layers of the earth are: 

(a) Crust 

(b) Mantle

(c) Core 

(ii) What is a rock? 

Ans. Any natural mass of mineral matter that makes up the earth’s crust is called rock. 

(iii) Name three types of rocks. 

Ans. The three types of rocks are: 

(a) Igneous Rocks 

(b) Sedimentary Rocks, and 

(c) Metamorphic Rocks 

 

(iv) How are extrusive and intrusive rocks formed? 

Ans. Rocks that are formed when molten magma solidifies on the earth’s crust are known as extrusive igneous rocks. Sometimes, the molten magma cools down deep inside the earth’s crust. The rocks so formed are known as intrusive igneous rocks. 

(v) What do you mean by a rock cycle? 

Ans. The process of transformation of rock from one type to another is known as rock cycle. 

(vi) What are the uses of rocks? 

Ans. Rocks are very useful to us. They are used for making roads, houses, buildings, bridges, etc. They are also used to make decorative items such as vases, boxes, statues, etc. 

(vii) What are metamorphic rocks? 

Ans. When igneous or sedimentary rocks are subjected to high temperature and pressure, they are converted into metamorphic rocks. For example, clay changes into slate and limestone into marble. 

2. Tick the correct answer. 

(i) The rock which is made up of molten magma is 

(a) Igneous        (b) Sedimentary      (c) Metamorphic 

(ii) The innermost layer of the earth is 

(a) Crust               (b) Core                 (c) Mantle 

(iii) Gold, petroleum, and coal are examples of 

(a) Rocks               (b) Minerals           (c) Fossils 

(iv) Rocks which contain fossils are 

(a) Sedimentary Rocks 

(b) Metamorphic Rocks 

(c) Igneous Rocks 

(v) The thinnest layer of the earth is 

(a) Crust             (b) Mantle                (c) Core 

3. Match the following. 

(i) Core           (a) Earth’s surface 

(ii) Minerals   (b) Used for roads and buildings 

(iii) Rocks      (c) Made of silicon and alumina 

(iv) Clay         (d) Have definite chemical composition 

(v) Sial           (e) Innermost layer 

                       (f) Changes into slate 

                       (g) Process of transformation of the rock      

Ans. 

(i) Core           (e) Innermost layer 

(ii) Minerals     (d) Have definite chemical composition 

(iii) Rocks        (b) Used for roads and buildings 

(iv) Clay          (f) Changes into slate 

(v) Sial            (c) Made of silicon and alumina 

 

5. Give reasons. 

(i) We cannot go to the centre of the earth. 

Ans. The centre of the earth is characterised by very high temperature and pressure, which does not allow the survival of any living being. Thus, it is impossible for anyone to reach the centre of the earth. 

(ii) Sedimentary rocks are formed from sediments. 

Ans. Rocks strike each other and are broken down into small sediments. These sediments are transported and deposited by natural agents like wind, water, etc. Overtime, these loose sediments are compressed and hardened to form rocks, which are known as sedimentary rocks. 

(iii) Limestone is changed into marble. 

Ans. When igneous and sedimentary rocks are subjected to high temperature and pressure, they are converted into metamorphic rocks. Limestone is a sedimentary rock, which after going through such a process is converted into marble, a metamorphic rock. 

5. For fun. 

(i) What are the minerals most commonly used in the following objects? 

Ans.  

(a) Karhai - Aluminium 

(b) Pan/Tava – Iron 

(c) Ornaments – Gold 

(d) Bell – Silver 

(e) Hammer – Iron 

(f) Lamp – Copper 

 

(ii) Identify some more objects made up of different minerals. 

Ans. Some other objects made up of minerals are: 

(a) Pencil lead – Graphite 

(b) Mirror – Quartz 

(c) Trash can – Chromite 

(d) Wires - Copper 

Our Environment Chapter 01 Environment
NCERT Solutions Class 7 Social Science Chapter 1 Environment
Our Environment Chapter 02 Inside Our Earth
NCERT Solutions Class 7 Social Science Chapter 2 Inside Our earth
Our Environment Chapter 03 Our Changing Earth
NCERT Solutions Class 7 Social Science Chapter 3 Our Changing Earth
Our Environment Chapter 06 Natural Vegetation and Wild Life
NCERT Solutions Class 7 Social Science Chapter 6 Natural Vegetation and Wildlife
Our Environment Chapter 07 Human Environment Settlement, Transport and Communication
NCERT Solutions Class 7 Social Science Chapter 7 Human Environment Settlement Transport Communication
Our Environment Chapter 08 Human Environment Interactions The Tropical And The Subtropical Region
NCERT Solutions Class 7 Social Science Chapter 8 Human Environment Interactions The Tropical And The Subtropical Region
Our Environment Chapter 09 Life in the Deserts
NCERT Solutions Class 7 Social Science Chapter 9 Life in the Deserts
Our Pasts II Chapter 01 Tracing Changes Through a Thousand Years
NCERT Solutions Class 7 Social Science Chapter 1 Tracing Changes Through A Thousand Years
Our Pasts II Chapter 02 New Kings and Kingdoms
NCERT Solutions Class 7 Social Science Chapter 2 New Kings and Kingdoms
Our Pasts II Chapter 03 The Delhi Sultans
NCERT Solutions Class 7 Social Science Chapter 3 The Delhi Sultans
Our Pasts II Chapter 04 The Mughal Empire
NCERT Solutions Class 7 Social Science Chapter 4 The Mughal Empire
Our Pasts II Chapter 05 Rulers And Buildings
NCERT Solutions Class 7 Social Science Chapter 5 Rulers and Buildings
Our Pasts II Chapter 06 Towns Traders And Craftspersons
NCERT Solutions Class 7 Social Science Chapter 6 Towns Traders and Craftspersons
Our Pasts II Chapter 07 Tribes, Nomads And Settled Communities
NCERT Solutions Class 7 Social Science Chapter 7 Tribes Nomads and Settled Communities
Our Pasts II Chapter 08 Devotional Paths To The Divine
NCERT Solutions Class 7 Social Science Chapter 8 Devotional Paths to the Divine
Our Pasts II Chapter 09 The Making Of Regional Cultures
NCERT Solutions Class 7 Social Science Chapter 9 The Making of Regional Cultures
Our Pasts II Chapter 10 Eighteenth Century Political Formations
NCERT Solutions Class 7 Social Science Chapter 10 Eighteenth Century Political Formations
Social and Political Life-II Chapter 01 On Equality
NCERT Solutions Class 7 Social Science Chapter 1 On Equality
Social and Political Life-II Chapter 03 How the State Government Works
NCERT Solutions Class 7 Social Science Chapter 3 How the State Government Works
Social and Political Life-II Chapter 04 Growing up as Boys and Girls
NCERT Solutions Class 7 Social Science Chapter 4 Growing up as Boys and Girls
Social and Political Life-II Chapter 05 Women Change the World
NCERT Solutions Class 7 Social Science Chapter 5 Women Change the World
Social and Political Life-II Chapter 06 Understanding Media
NCERT Solutions Class 7 Social Science Chapter 6 Understanding Media
Social and Political Life-II Chapter 07 Markets Around Us
NCERT Solutions Class 7 Social Science Chapter 7 Markets around Us
Social and Political Life-II Chapter 08 A Shirt in the Market
NCERT Solutions Class 7 Social Science Chapter 8 A Shirt in the Market

NCERT Solutions Class 7 Social Science Chapter 2 Inside Our earth

The above provided NCERT Solutions Class 7 Social Science Chapter 2 Inside Our earth is available on our website www.studiestoday.com for free download in Pdf. You can read the solutions to all questions given in your Class 7 Social Science textbook online or you can easily download them in pdf. The answers to each question in Chapter 2 Inside Our earth of Social Science Class 7 has been designed based on the latest syllabus released for the current year. We have also provided detailed explanations for all difficult topics in Chapter 2 Inside Our earth Class 7 chapter of Social Science so that it can be easier for students to understand all answers. These solutions of Chapter 2 Inside Our earth NCERT Questions given in your textbook for Class 7 Social Science have been designed to help students understand the difficult topics of Social Science in an easy manner. These will also help to build a strong foundation in the Social Science. There is a combination of theoretical and practical questions relating to all chapters in Social Science to check the overall learning of the students of Class 7.

 

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