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HEAT TRANSFER Conduction, Convection and Radiation.

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Presentation on theme: "HEAT TRANSFER Conduction, Convection and Radiation."— Presentation transcript:

1 HEAT TRANSFER Conduction, Convection and Radiation

2 Heat Transfer The transfer of thermal energy from a heated object to a cooler one Heat transfer involves the movement of waves or molecules

3

4 Radiation Energy in the form of waves EVERY object has temperature (thermal energy) and emits radiant energy Radiation is why you can feel the sun's radiant energy on a sunny day

5 Radiation

6 Conduction The transfer of heat through the movement of molecules Heated molecules move from warm to cold consider a metal bar Conduction          

7 Conduction

8 Convection Transfer of heat through the mass movement of the molecules of a liquid or gas

9 Convection

10 Convection http://www.yenka.com/freecontent/item.action?quick=12p#

11 Convection DRAW A PICTURE OF CONVECTION OCCURING IN THE EARTH, THE ATMOSPHERE OR THE OCEAN. EXPLAIN HOW IT HAPPENS AND THEN EXPLAIN WHAT KINDS OF BENEFITS WE EXPERIENCE BECAUSE OF IT.


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