Download - Methods of heat transfer
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METHODS OF HEAT TRANSFER
CONDUCTION – CONVECTION - RADIATION
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TRANSMISSION OF HEAT
•MOVEMENT OF HEAT FROM COLDER TO HOTTER ITEM
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CONDUCTION•OCCURS WHEN TWO OBJECTS TOUCH•CONDUCTORS- MATERIALS THAT ARE READY TO CONDUCT HEAT•INSULATORS- MATERIALS THAT SLOW DOWN CONDUCTION OF HEAT
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CONVECTION
•OCCURS IN ALL UNEVENLY HEATED LIQUIDS AND GASSES•OCCURS WHEN HEATED SUBSTANCE ITSELF MOVES
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RADIATION
•ONLY TYPE OF HEAT TRANSFER THAT CAN OCCUR IN EMPTY SPACE
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QUIZ #6
WRITE WHAT METHOD OF HEAT TRANSFER IS PRESENT IN EACH SITUATION.
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1.A POT SITTING ON A HOT BURNER.2.HOW THE INSIDE OF A GREENHOUSE
WORKS3.A PERSON PLACING HIS HANDS OVER A
WARM FIRE4.PUTTING YOUR WET SHOES ON A DOOR
VENT TO LET IT DRY FASTER5.PICKING UP A HOT CUP OF COFFEE
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ANSWERS1.CONDUCTION2.CONVECTION3.RADIATION4.CONVECTION5.CONDUCTION