NCERT Solutions | Class 8 Social Science Geography Chapter 3

NCERT Solutions | Class 8 Social Science Geography Chapter 3 | Mineral and Power Resources 

NCERT Solutions for Class 8 Social Science Geography Chapter 3 Mineral and Power Resources

CBSE Solutions | Social Science Class 8

Check the below NCERT Solutions for Class 8 Social Science Geography Chapter 3 Mineral and Power Resources Pdf free download. NCERT Solutions Class 8 Social Science  were prepared based on the latest exam pattern. We have Provided Mineral and Power Resources Class 8 Social Science NCERT Solutions to help students understand the concept very well.

NCERT | Class 8 Social Science Geography

NCERT Solutions Class 8 Social Science
Book: National Council of Educational Research and Training (NCERT)
Board: Central Board of Secondary Education (CBSE)
Class: 8th
Subject: Social Science Geography
Chapter: 3
Chapters Name: Mineral and Power Resources
Medium: English

Mineral and Power Resources | Class 8 Social Science | NCERT Books Solutions

You can refer to MCQ Questions for Class 8 Social Science Geography Chapter 3 Mineral and Power Resources to revise the concepts in the syllabus effectively and improve your chances of securing high marks in your board exams.

Geography Class 8 Chapter 3 NCERT Textbook Questions and Answers

Let Recall

CBSE SST Class 8 solutions Question 1.

Answer the following questions.


(i) Name any three common minerals used by you every day.
(ii) What is ore? Where are the ores of metallic minerals generally located?
(iii) Name two regions rich in natural gas resources.
(iv) Which sources of energy would you suggest for
(а) rural areas
(b) coastal areas
(c) Arid regions
(v) Give five ways in which you can save energy at home.

NCERT Class 8 SST Geography Chapter 3,  Answer:

(i) The three common minerals used by us every day are petroleum, iron and salt.

(ii) Rocks from which minerals are mined are known as ores. Ores of metallic minerals are generally found in igneous and metamorphic rock formation that forms large plateaus.

(iii) In India Jaisalmer, Krishna Godavari delta, Tripura and some areas off-shore in Mumbai have natural gas resources.

(iv)

  • Rural areas: Rural areas with proper availability of almost all natural resources like solar, wind and tidal they should use the non-conventional source of energy according to the availability in adundance or in sufficiency.
  • Coastal areas: They should use petroleum, tidal power and wind power.
  • Arid region: For this region solar energy and geothermal power will be the suitable one according to the availability in area or region.

(v) Five ways to save energy at home:

  • Use of solar energy should be increased.
  • Use of biogas in place of cooking gas.
  • Switch off the electric items when not in use.
  • Start afforestation.
  • Use of solar and electrically charged vehicles in place of petroleum using vehicles.

CBSE SST Class 8 solutions Question 2.

Tick the correct answer.


Which one of the following is NOT a characteristic of minerals?
(a) They are created by natural processes.
(b) They have a definite chemical composition,
(c) They are inexhaustible.
(d) Their distribution is uneven.

NCERT Class 8 Geography Chapter 3,  Answer:

(c) They are inexhaustible.

(ii) Which one of the following is NOT a producer of mica?
(a) Jharkhand
(b) Karnataka
(c) Rajasthan
(d) Andhra Pradesh

CBSE Class 8 Social Science Geography Chapter 3,  Answer:

(b) Karnataka

(iii) Which one of the following is a leading producer of copper in the world?
(a) Bolivia
(b) Ghana
(c) Chile
(d) Zimbabwe

CBSE Class 8 SST Geography Chapter 3,  Answer:

(c) Chile

(iv) Which one of the following practices will NOT conserve LPG in your kitchen.
(a) Soaking the dal for some time before cooking it.
(b) Cooking food in a pressure cooker.
(c) Keeping the vegetables chopped before lighting the gas for cooking.
(d) Cooking food in an open pan kept on low flame.

CBSE Class 8 Geography Chapter 3,  Answer:

(d) Cooking food in an open pan kept on low flame.

CBSE Social Science Class 8 syllabus Question 3.

Give reasons.


(i) Environmental aspects must be carefully looked into before building huge dams.
(it) Most industries are concentrated around coal mines.
(iii) Petroleum is referred to as “black gold”.
(iv) Quarrying can become a major environmental concern.

NCERT Solutions for Class 8 Social Science Geography Chapter 3,  Answer:

(i) Before building huge dams it should be kept in mind that the water storage will affect any of the forest or livelihood or not or will the establishment of dam result in over cutting of trees.

(ii) Industries are concentrated around coal mines because this concentration ensures the availability of many types of fuel in form of which the coal can be used as coal is the most abundantly found fossil fuel.

(iii) Petroleum is found between the layer of rocks and is drilled from oil fields located in off-shore and coastal areas. This is then sent to refineries which process the crude oil and produce a variety of products like diesel, petrol, kerosene, wax, plastics and lubricants. Petroleum and its derivatives are called as black gold as they are very valuable.

(iv) Quarrying means that minerals that lie near the surface are simply dugout and in the digging process it makes hollowness in the earth surface that not only affects the nearby area but also makes the area touched by it as unstable.

Class 8 Geography Chapter 3 questions and answers PDF Question 4.

Distinguish between the following.
(i) Conventional and non-conventional sources of energy
(ii) Biogas and natural gas
(iii) Ferrous and nonferrous minerals
(iv) Metallic and nonmetallic minerals

NCERT Solutions Class 8 Social Science Geography Chapter 3,  Answer:

(i) Conventional and non-conventional sources of energy

Conventional Source of energy Non-conventional Source of energy
The energy source which has been in common use for a long time.
For example; Firewood and fossil fuels are two main conventional energy sources.		 The increasing use of fossil fuels is leading to its shortage so in order to preserve the fossils from getting exhausted there is need for adoption of Non-conventional sources of energy that are solar, wind, tidal which are renewable sources.

(ii) Biogas and natural gas

Biogas Natural gas
(i) Organic waste such as dead plant and animal material, animal dung and kitchen waste can be converted into a gaseous fuel called biogas.

(ii) Biogas is an excellent fuel for cooking and producing huge amount of organic manure every year.

(iii) It is renewable.

 (i) Found with petroleum deposits and is released when crude oil is brought to the surface.

(ii) It can be used as a domestic and industrial fuel.

(iii) Russia, Norway, UK and the Netherlands are the major producers of Natural gas.

(iv) Its improper use can lead to its depletion.

(iii) Ferrous and Nonferrous minerals

Ferrous Nonferrous minerals
(i) These contain iron.
(ii) For example, iron ore, manganese, chromite.		 (i) Does not contain iron but may contain some other metal.
(ii) For example, gold, silver, copper, lead.

(iv) Metallic and Nonmetallic minerals

Metallic Nonmetallic minerals
(i) Minerals that contain metal in raw form.
(ii) It may be ferrous or non-ferrous.
(iii) For example, Iron ore, bauxite, copper, gold, silver, etc.		 (i) Minerals that do not contain metals.
(ii) For example, limestone, mica, gypsum, etc.
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