1. HEAT TRANSFER

2. ( Click on each button to learn more)
INTRODUCTION
RADIATION
Heat CONDUCTION
Transfer
CONVECTION
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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 object
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4. • conduction
• convection
• radiation
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6. Burner
Conduction is the transfer of heat from
warmer to cooler areas
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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.
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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
Circulation
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10. • When you heat liquid or gases, atom or
molecules which gain energy move upward and Move
cooler ones sink to bottom
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12. •Radiation does not need medium or particles
to transfer heat.
atmospheric
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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.
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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 temperature
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15. Answer 2 :
1. Conduction.
2. Convection.
3. Radiation.
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16. Answer 2 :
1. Conduction.
2. Convection.
3. Radiation.
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17. Answer 4 :
1.Warmer water at the surface of lake or
swimming pool
2. Hot air ballon
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18. Answer 5 :
1. A camp fire
2. A microwave oven
3. A light bulb
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