Specification focus questions on Energy resources and Electricity generation for Edexcel IGCSE Physics

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Energy resources and Electricity generation

  1. What is meant by renewable energy? 
  2. Write down some examples of renewable energy. 
  3. What is meant by non-renewable energy? 
  4. Give some examples of non-renewable energy. 
  5. Write down the energy transfers taking place in the following ways of generating electricity. 
  1. wind 
  2. water 
  3. geothermal resources 
  4. solar heating systems 
  5. solar cells 
  6. fossil fuels 
  7.  nuclear power 

Large-scale electricity production

  1. What are the advantages and disadvantages of nuclear fuel? 
  2. What are the advantages and disadvantages of fossil fuels (coal, oil and gas)? 

Specification focus Questions on Work and Power for Pearson Edexcel IGCSE

Work and Power

  1. Write down the equation to calculate work in terms of force and distance moved in the direction of the force. 
  2. What are the units for force, distance and work done? 
  3. What is work done equal to? 
  4. Write down the relationship between gravitational potential energy, mass, gravitational field strength and height. 
  5. What are the units of gravitational potential energy, mass, gravitational field strength and height? 
  6. Write down the equation to calculate the kinetic energy of a moving object. 
  7. Explain how the conservation of energy produces a link between gravitational potential energy, kinetic energy and work, 
  8. Complete the following equation: Work Done = 
  9. What are the units of work done, force and distance? 
  10. What is power in terms of energy and in terms of work done? 

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Specification focus Questions on Energy Transfers for Pearson Edexcel IGCSE Physics Energy resources and energy transfers

Energy Transfers

  1. List eight types of energy stores. 
  2. Give an example of how energy can be transferred mechanically. 
  3. Give an example of how energy can be transferred Electrically. 
  4. Give an example of how energy can be transferred by heating. 
  5. Give an example of how energy can be transferred by radiation
  6. Write down an equation to calculate efficiency involving useful energy output and total energy input. 
  7. State the principle of conservation of energy 
  8. Draw a simple Sankey diagram for an electric light bulb. Use google images to find one. 
  9. What is heat transfer by conduction? 
  10. Why are metals good conductors of heat? 
  11. What is heat transfer by convection? 
  12. Give several examples of convection in everyday phenomena 
  13. Explain how emission and absorption of radiation are related to surface and temperature. 
  14. Do you know how to describe this practical? →  investigate thermal energy transfer by conduction, convection and radiation (see video below)
  15. Explain ways of reducing unwanted energy transfer, such as insulation 

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