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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