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Heat Transfer.

Published byDjaja Atmadjaja Modified over 5 years ago

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Presentation on theme: "Heat Transfer."— Presentation transcript:

1 Heat Transfer

2 Prediction What type of heat transfer is demonstrated by each of the following? Hot air popper: _________________________ Hot plate: __________________________ Microwave: __________________________

3 Experiment #1 – Hot air popper
Explain how/why the kernels were able to pop. Use heat flow and kinetic energy in your answer. What type of heat transfer is this? Draw a picture of this type of heat flow.

4 Experiment #2 – Hot plate
Explain how/why the kernels were able to pop. Use heat flow and kinetic energy in your answer. What type of heat transfer is this? Draw a picture of this type of heat flow. What areas of the atmosphere are heated through this process?

5 Experiment #3 – Microwave
Explain how/why the kernels were able to pop. Use heat flow and kinetic energy in your answer. What type of heat transfer is this? Draw a picture of this type of heat flow.

6 How? Conduction Convection Radiation
Transfer of thermal energy through direct contact Transfer of thermal energy though the movement of particles Transfer of thermal energy through electromag-netic waves

7 What? Conduction Convection Radiation Solids Liquids Gases Liquids
Space

8 Need a medium? Conduction Convection Radiation Needs a medium
A fluid medium must be present No medium needed

9 Example Conduction Convection Radiation

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