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14. Sources of Energy-Chapter Review Science Class 10 In English
Last Updated : 06 March 2026
Explore science Solutions for Class 10 Chapter 14. Sources of Energy Topic Chapter Review in English medium.
14. Sources of Energy-Chapter Review Science Class 10 In English
Last Updated : 06 March 2026
14. Sources of Energy-Chapter Review Science Class 10 In English
14. Sources of Energy
Chapter Review
Chapter Review:
- Properties of good fuels (i) they doesn't cause air pollution (ii) Which would do a large amount of work per unit volume or mass. (iii) Be easily accessible.
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Coal, petroleum and natural gas are called fossil fuels. As Such fuels were formed by the slow decomposition of fossils (remains of plants and animals) which got buried under the surface of earth and take millions years to form.
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Energy can only be converted from one form to another. It can neither be created nor destroyed. The total energy before and after the transformation remains the same. This law is valid in all situation and transformation. That is called the law of conservation of energy.
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The turbine works by mechanical energy which it gets from various sources like water energy, Wind energy and nuclear energy etc.
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Some gases like CO2 and methane traps heat from sun rays. Our atmosphere does not allow the radiations to go out. This is called green house effect.
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Oxide of sulpher and nitrogen react with water vapour in atmosphere and produce acidic substance, its rain is called acid rain.
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The source of energy obtained from plants and animals said to be Bio-mass. Ex-: Wood, cow-dung etc.
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Mixture of cow dung and water is said to be slurry.
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The black colour absorbs heat more frequently than others.
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Solar cell is a device which converts sunlight into electricity.
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Silicon metal is used for making solar cell.
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Silver metal is used for interconnection of solar cells.
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The dynamo convert the mechanical energy into electrical energy.
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Geological changes, molten rocks formed in the deeper hot regions
of earth’s crust are pushed upward and trapped in certain regions called ‘hot spots’.
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NCERT Solutions for Class 10 science Chapter 14. Sources of Energy Topic Chapter Review
NCERT Solutions for Class 10 science Chapter 14. Sources of Energy Topic Chapter Review are prepared to help students understand important concepts of the chapter in a simple and clear manner. These solutions are based on the latest CBSE syllabus and follow the official NCERT textbooks. Students who are searching for accurate answers and step-by-step explanations can use these solutions to improve their learning and prepare better for school exams as well as board examinations.
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About Chapter 14. Sources of Energy of Class 10 science
Chapter 14. Sources of Energy is an important part of the Class 10 science syllabus. This chapter explains several key concepts which are essential for understanding the subject in detail. Students often face difficulties while solving textbook questions related to this chapter. That is why NCERT Solutions for Chapter 14. Sources of Energy are provided to explain every concept in a simple and structured way.
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Understanding Topic: Chapter Review
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14. Sources of Energy-Chapter Review Science Class 10 In English
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All Chapters science Class 10
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14. Sources of Energy-Chapter Review Science Class 10 In English Study Materials For Class 6 to 12
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