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Heat transfer

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Heat transfer

  1. 1. HEAT TRANSFER
  2. 2. ( Click on each button to learn more) INTRODUCTION RADIATION Heat CONDUCTION Transfer CONVECTION Main page
  3. 3.  Heat is the total amount of energy possessed by the molecules in piece of matter  Heat can flow spontaneously from a higher temperature object to the lower temperature objecthome
  4. 4. • conduction • convection • radiationhome
  5. 5. home begin
  6. 6. Burner Conduction is the transfer of heat from warmer to cooler areasback next
  7. 7. • As one molecule is heated it begins to move Vibrate and shake rapidly. • Through this process, all the molecules of an object pass heat from one to another, until they are all hot.return
  8. 8. home begin
  9. 9. Convection is the process by which large masses of a liquid or gas move which is carrying thermal energy and also continuously until the system reaches thermal balance Circulationback next
  10. 10. • When you heat liquid or gases, atom or molecules which gain energy move upward and Move cooler ones sink to bottomreturn
  11. 11. home begin
  12. 12. •Radiation does not need medium or particlesto transfer heat. atmospheric back
  13. 13. TUTORIAL : 1. Give the definition of heat Answer 2. State 3 types of heat transfer. Answer 3. What substances do you think Answer would be good conductors or poor conductors. 4. Give other examples of convection. Answer 5. Give other examples of radiation Answer heat transfer.home
  14. 14. Answer 1 : • Heat is the total amount of energy possessed by the molecules in piece of matter. • Heat can flow spontaneously from an object with a high temparature to an object with a lower temperatureBack
  15. 15. Answer 2 : 1. Conduction. 2. Convection. 3. Radiation.Back
  16. 16. Answer 2 : 1. Conduction. 2. Convection. 3. Radiation.Back
  17. 17. Answer 4 : 1.Warmer water at the surface of lake or swimming pool 2. Hot air ballonBack
  18. 18. Answer 5 : 1. A camp fire 2. A microwave oven 3. A light bulbBack

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