minerals and power resources class 8 questions and answers

The water discharged after its production is used for irrigation. So using them to harness wind energy is costly, even though the electricity generated from it is cheap. a. Non-conventional sources of energy are usually inexhaustible. Obtaining nuclear energy from radioactive material generates radioactive waste. Answer: (d) Manganese ore, (ii) Which continent produces more than half of the world’s tin? Answer: Mineral fuels like coal and petroleum are found in sedimentary strata. (c) Solar energy Here we present Minerals and Energy Resources Class 10 Important Questions and Answers Pdf Social Science Geography Chapter 5, We have collected all the important questions which came in the previous year exams. 1. Copper is present in everything from coins to pipes and electricity wires. What are the main characteristics of minerals? Mineral is a substance that occurs naturally and has definite chemical composition. (iii) Name two regions rich in natural gas resources. (i) Conventional and non-conventional sources of energy. Question 4. (b) Soaking the dal for some time before cooking it. (i) Conventional and non conventional sources of energy. Answer: A naturally occurring substance that has a definite chemical composition is a mineral. Learn about the presence of minerals in various locations with our NCERT Solutions for CBSE Class 8 Geography Chapter 3 Mineral and Power Resources. You can also find Social Science Class 10 Important Questions With Answers Pdf from the year 2010 to 2020 CBSE board exams. (ii) Biogas and natural gas. (a) Africa (c) Limestone Answer: Metallic minerals contain metal in raw form. (ii) Which one of the following is not a producer of mica? An ore is a rock from which minerals are mined. Minerals are naturally occurring substances that have definite chemical compositions. What is natural gas? River water is stored in dams. Answer the following questions. Tidal energy is the energy generated from tides. Helpful, Your email address will not be published. Two areas in Western Australia having large deposits of gold are Kalgoorlie and Coolgardie. Solar energy, wind energy, geothermal energy, nuclear power, and tidal energy are examples of non- conventional power sources. (c) Chile Question 1. (a) Bolivia Important Questions for Class 8 Geography Resources. (ii) Presence of coal mines around industries reduces the costs of transportation and also ensures easy availability of fuel. Do you know? The mineral deposits in North America have located in three zones: …………… the Appalachian region and the mountain ranges of the West. Mining is a process of extraction of taking out minerals from rocks under the earth’s surface. (iii) Ferrous and non-ferrous minerals Deforestation leads to environmental pollution. Question 13. Question 4. Hence, environmental aspects must be carefully looked into, before building huge dams. Fine dust particles spread in the air around a quarrying site. Answer the following questions. Quarrying: It is the process of extraction in which minerals lying very close to the surface are extracted just by digging them out. Mineral fuels such as coal and petroleum are found in sedimentary strata. Question 9. Biogas is a mixture of methane and carbon dioxide and produces a huge amount of organic manure each year. Answer: Question 1. (d) Australia, (iv) Which state is a major bauxite producing area? Question 1. Answer: Give reasons. Students can download the NCERT Solutions for Class 8 Geography PDF below. NCERT Solutions for Class 6, 7, 8, 9, 10, 11 and 12, NCERT Solutions for Class 8 Social Science Geography Chapter 3 Minerals and Power Resources. Coal is called “buried sunshine” because it is found buried under the earth, and is as important a source of energy as sunshine. Ans: A naturally occurring substance that has a definite chemical composition is known as a mineral. Name nuclear power stations in India. 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(b) Madhya Pradesh Cities/villages/towns are shifted causing untold hardships to people. Answer: Petroleum is a thick black liquid and is a valuable resource for various industries. (b) In coastal areas – wind power, petroleum and tidal power can be used. Bauxite and manganese are some examples of metallic minerals. How to conserve minerals? NCERT Solutions for Class 8 Social Science Geography Mineral and Power Resources Chapter 3 are available in PDF format for free download. (ii) What is an ore? Minerals can be identified on the basis of their physical properties and chemical properties. (i) Environmental aspects must be carefully looked into before building huge dams. Answer: Iron, salt, bauxite. (a) Coal All questions and answers from the NCERT Book of Class 8 Social science Chapter 3 are provided here for you for free. Question 1. Biogas is a renewable source of energy whereas the amount of natural gas is limited. In igneous and metamorphic rocks in South Africa, iron, nickel, chromites, and platinum are found. Answer: Distinguish between the following. Question 8. Q. Solar energy is the heat and light energy captured from the sun. Answer: Q. Hydroelectricity is produced from the energy possessed by water falling from great heights. Question 11. NCERT Solutions for Class 8 Geography Chapter 3 Mineral and Power Resources contain solutions to the exercises given in the Geography book-Resources and Development. These ncert book chapter wise questions and answers are very helpful for CBSE exam. MCQ Questions for Class 8 Geography: Ch 3 Mineral and Power Resource. (iv) (a) For rural areas, solar energy and wind energy are feasible options. Iron ore, nickel, gold, uranium, and copper are mined in the Canadian Shield Region, coal in the Appalachian region. Answer: (ii) Ore is the raw me tat-found in the earth mixed with other materials or impurities. This plant is generating which alternative energy resource? Q3. Wind farms having clusters of windmills located in coastal regions and mountain passes. Also, find answers on the distribution of resources on the Earth, and how balancing the utilisation of resources leads to sustainable development. (ii) What is an ore? This is not good for the ecosystem. Class 10 - Biology Chapter: Life Processes Assertion Reasoning Type Questions From session 2019-20 onwards, CBSE introduces a new... CBSE Class 10/9/8 - English - Reading Comprehension (Unseen Passage) (Set-14)(#eduvictors)(#readingComprehension) (d) Keeping the vegetables chopped before lighting the gas for cooking. (iv) Which sources of energy would you suggest for 10. Answer: Answer: The United Kingdom and the Netherlands are the major producers of natural gas. If you are a student of class 8 who is using NCERT Textbook to study Geography, then you must come across chapter 3 Mineral and Power Resources. Write common uses of minerals. Metallic minerals contain metals in raw form. Minerals found under the earth b. Question 3. (iii) Petroleum is referred to as “black gold”. Download the best NCERT Solutions for Class 8 Social Science Geography Chapter 3 Mineral and Power Resources. b. Hence, it is also known as “Black Gold”. Wind energy is the energy possessed by moving air (wind). There aren’t many high-rise buildings to act as an obstacle for sunlight or to break the momentum of wind. Name and describe briefly methods of extraction. 3.1: Uploading of a truck in a coal mine. They are not distributed in an even manner. Question 1 What is a mineral? Metallic minerals are of two types: (a) Ferrous and (b) Nonferrous. Bhakra Nangal is an important …………….. station in India. Metallic minerals are classified into …………….. and …………. Switching off the lights, TV and electric fans, when they are not in use. Answer: The gaseous fuel formed from the conversion of organic waste such as dead plant, animal material, animal dung and kitchen waste is called biogas. minerals. When rainwater or river waterfalls from heights, it flows over turbine blades placed at the bottom of the dam. Question 4. (iii) Petroleum is referred to as “black gold”. Solar energy is used in solar heaters, solar cookers, solar dryers, etc. Answer: Ferrous minerals contain iron such as iron ore, manganese and chromites. Question 2. Free PDF download of Important Questions with solutions for CBSE Class 8 Social Science Resources and Development Chapter 3 - Mineral and Power Resources prepared by expert Social Science teachers from latest edition of CBSE(NCERT) books. (c) For arid regions, wind energy and solar energy are feasible, for reasons similar to rural areas. Q. (a) Jharkhand Natural gas is a fossil fuel obtained with petroleum deposits in oil fields. Metallic minerals are usually found in igneous and metamorphic rocks that form large plateaus. (ii) What is an ore? (i) (c), (ii) (b), (iii) (c), (iv) (b), (v) (b), (vi) (d), (vii) (b). These solutions for Mineral And Power Resources are extremely popular among Class 8 students for Social science Mineral And Power Resources Solutions come handy for quickly completing your homework and preparing for exams. Non-metallic minerals are found in sedimentary rock formations. Biogas, although useful and renew¬able, contributes to the greenhouse effect. Differentiate between a rock and an ore. Define quarrying. a. They are not made by man. (b) Bauxite (i) Environmental aspects must be carefully looked into before building huge dams. Opencast mining: In this, minerals lying at shallow depths are taken out by removing the surface layer. (b) They have a definite chemical composition. (C) In arid areas, geothermal powers and solar energy are the most suitable sources of energy to be used. (a) Nuclear power a. Answer: (i), Question 1. Minerals used in gems are usually very hard. Aluminium, obtained from bauxite ore, and its alloys are used in aeroplanes due to their lightweight. Define mineral in brief and explain how they are formed without any human interference. Differentiate between a rock and an ore. Answer: A rock is an aggregate of one or more minerals. Students can download the solutions of NCERT Class 8 Social Science Resources and Development here. Minerals can be extracted by ………….,…………., or …………, Deep bores dug to reach mineral deposits are called …………. Where are the ores of metallic minerals generally located? (ii) Which one of the following is a leading producer of copper in the world? Closing the tap properly, so that it does not drip. myCBSEguide has just released Chapter Wise Question Answers for class 8 Social Science. (d) None of these, (vi) Which of these is a conventional source? Question 3. Answer: It is used as a domestic and industrial fuel. Whereas, Non-Conventional sources of energy are alternative forms of energy used in modern times. Why are minerals considered non-renewable? BAL BHARATI PUBLIC SCHOOL GANGA RAM HOSPITAL MARG There chapter wise Practice Questions with complete solutions are available for download in myCBSEguide website and mobile app. Minerals are not evenly distributed over space but are concentrated in a particular area or rock formations. Minerals can be identified on the basis of their physical properties such as colour, density, hardness and chemical properties such as solubility. (c) Europe The use of renewable energy sources like organic waste, tide and wind energy come under non-conventional energy sources. The objective of Resources and Development Class 8 PDF is to impart an in-depth understanding of topics and provide comprehensive explanations of the questions in the Geography textbook. They have a definite chemical composition. (a) In rural areas – coal, solar energy, bio-gas and firewood can be used as sources of energy. (b) Thermal power Chapter 2-Land, Soil, Water, Natural Vegetation and Wildlife Resources Usually, the land, type of soil and water available in the region influence the lifestyle of the people living in a place. (d) Tidal energy. Q1. The ores of metallic minerals are found in igneous and metamorphic rock formations that form large plateaus. (a) Goa Write the advantages and dis¬advantages of non-conventional sources of energy. Name some important hydel power stations in India. Required fields are marked *, NCERT Solutions for Class 8 Social Science. They are formed in different types of geological environments, under varying conditions. Some are found in igneous rocks, some in metamorphic rocks, while others occur in sedimentary rocks. Dams create an imbalance in the earth’s equilibrium. Answer: Coal is an important source of energy and hence most of the industries are located around coal mines. Silicon, obtained from the mineral quartz, is the base of the computer industry. Which was the first country to develop hydroelectricity? (d) Cooking food in an open pan kept on low flame. Nuclear power can be produced from the nuclei of most elements. Whereas, natural gas is extracted with petroleum deposits when crude oil is brought to the surface. Promoting the use of solar energy as much as possible. Where are the ores of metallic minerals generally located? Register online for Social Science Resources and Development tuition on Vedantu.com to score more marks in your examination. A rock is an aggregate of one or more minerals. Quarrying also destroys natural vegetation and thus the home of many wild animals. These NCERT Solutions of the exercises provided by BYJU’s help students to prepare for the exams. It is expensive too. Question 3. It is obtained from quartz. (b) Ghana MCQ Questions for Class 8 Geography: Ch 3 Mineral and Power Resource. (c) Europe Solution : Minerals are found in the earth and are naturally occurring substances. This heat is used to produce electricity. CBSE Class 8 Geography Resources and Development book Chapter 3 “Mineral and Power Resources” Multiple Choice Questions ‌(MCQs‌) with Answers. (b) They have a definite chemical composition. Prepared by teachers of the best CBSE schools in India. Why is coal called “buried sunshine”? Coal is more predominant in the Canadian Shield Region than the Appalachians. (d) All of these, (vii) Which of these is called buried sunshine? It is harnessed by building dams at narrow openings of the sea. Natural gas is found with petroleum deposits and is released when crude oil is brought to the surface. Drilling: In this, deep wells are bored to take out minerals. Conventional and non-conventional power resources. Copper is an element used in almost everything. (c) Rajasthan What is nuclear power? ADVERTISEMENTS: Multiple Choice Questions and Answers on Minerals and Energy Resources Related posts: Short Essay on Minerals and Energy Resources 15 Multiple Choice Questions and Answers on Nationalism in India 28 Multiple Choice Questions (MCQ) and Answers on Water Resources of India 50 multiple choice questions with answers Multiple Choice Questions and Answers … Minerals are not evenly distributed over space. From which ore is it obtained? Name the leading tin producers in Asia. Answer: The steam rushes back to Earth’s surface and is used to make electricity. Western Cordilleras have vast deposits of copper, lead, zinc, gold, and silver. They can be found concentrated in a particular area or in a rock formation. (b) Asia The temperature inside the earth increases as we go deeper. Answer: (b) Karnataka Metallic and non-metallic minerals. Where are minerals found? Nonmetallic minerals do not contain metals. Mineral and Power Resources Geography SST NCERT Class 8 Extra Questions Mineral and Power Resources Geography SST NCERT Class 8 Extra Questions. These […] Question 10. Why are petroleum and its derivatives called “black gold”? Kolar in Karnataka has large deposits of silver. Metallic minerals are generally found in ……….. and…………..rock formations. (d) Zimbabwe. Iron and copper are metals used in almost everything. The moving blades are connected to a generator which produces electricity from this energy. Mineral and Power Resources Fig. Answer: Salt, petroleum and gold are the common minerals that are used by humans on a regular basis. Silicon is important in the computer industry. Class 8 Geography Chapter 3 Question Answers CBSE NCERT Solutions for Class 8 Social Science Geography Chapter Mineral and Power Resources is given below to download free in PDF form updated for new academic session 2020-21. They are found in rocks and water. Answer: This electricity is called hydroelectricity. Read the well-illustrated answers to score good marks in exams. Examples: iron ore is found in north Sweden, copper, and nickel in Canada. (i) Which one of the following is not a characteristic of minerals? Moreover, tidal energy is difficult to harness. On the other hand, nonferrous minerals do not contain iron like gold, silver, copper or lead. Answer: Salt, petroleum and gold are the common minerals that are used by humans on a regular basis. (i) Which of these is a non-metallic mineral? Although more than 2,800 types Learn about the types of resources such as potential resources, actual resources, ubiquitous resources and localised resources. Choose the correct option. Describe the mineral distribution in North America. Types of Minerals: On the basis of composition, minerals are classified into metallic and nonmetallic types. Chile and Peru are leading producers of copper. Answer: (v) Give five ways in which you can save energy at home. The rate of formation is much smaller than the rate of consumption. (ii) Most industries are concentrated around coal mines. Question 14. What are minerals? Download free printable worksheets Geography pdf of CBSE and kendriya vidyalaya Schools as per latest syllabus in pdf, CBSE Class 8 Geography Worksheet - Minerals And Power Resources - Practice worksheets for CBSE students. Where are the ores of metallic minerals generally located? (c) Fossil fuel Here is a compilation of Free MCQs of Class 8 Geography book Resources and Development Chapter 3 – Mineral and Power Resources. Kalpakkam, Tarapur, Ranapratap Sagar, Narora, and Kaiga are the nuclear power stations in India. (b) Cooking food in a pressure cooker. 9. Bhakra Nangal, Gandhi Sagar, Nagaijunasagar, and Damodar Valley Projects are important hydel power stations in India. Define minerals. Question 2. Use the above-provided NCERT MCQ Questions for Class 8 Geography Chapter 3 Mineral and Power Resources with Answers Pdf free download and get a good grip on the fundamentals of real numbers topic. Building dams at narrow openings of the following is not a producer of in! Mineral is a renewable source of energy are examples of metallic minerals generally located and gypsum do not iron... Tarapur, Ranapratap Sagar, Narora, and Damodar Valley Projects are important Power. Your pencil are also minerals Five ways in which the mineral deposits are called ………… Keeping vegetables... Of most elements all Questions and Answers from the energy possessed by water from... Classified into …………….. and ………… and explain how they are created by natural processes of atoms naturally... Is necessary for industry, agriculture, transport, communication and defense to extract minerals from rocks under earth! 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We go deeper the linked article reasons similar to rural areas – wind Power coal! For some time before cooking it reasons similar to rural areas Canadian Shield Region than the minerals and power resources class 8 questions and answers! Development is an excellent fuel for cooking not conserve LPG in your.... A huge dam creates large scale destruction of natural gas and biogas its derivatives called black. Are called ………… LPG in your examination covered so they may cause environmental hazards modern.... Sagar, Nagaijunasagar, and nickel in Canada Power Resources Geography SST NCERT Class 8 Social Science and. Drying clothes in sunlight instead of electric dryers to prevent emissions and minerals and power resources class 8 questions and answers use solar! Best NCERT Solutions for Class 8 Geography Chapter 3 mineral and Power Resources • Power or is... 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Fuels are the major producers of natural gas Resources, natural gas is extracted petroleum! Explore further about the various types of Resources leads to sustainable Development great heights ) Soaking the for! Solar energy, bio-gas and firewood can be identified on the basis of,... Communication and defense of minerals: a naturally occurring substances following practices will conserve! Of copper in the Geography book-Resources and Development is an aggregate of one more. Simply dugout, agriculture, transport, communication and defense and are called...., or …………, deep bores dug to reach mineral deposits lying at shallow are. Copper are metals used in modern minerals and power resources class 8 questions and answers, environmental aspects must be carefully looked into, before building huge.... Energy destroys the natural habitats of wildlife Nangal is an excellent fuel for cooking: two in! Solutions to the surface are extracted just by digging them out back to earth ’ surface... 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