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**The Principles of Heat, Light, and Sound**

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Heat

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**Heat is transferred three ways…**

Conduction Convection Radiation

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**The first form of heat transfer is…**

Conduction

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**Conduction is heat transferred by contact.**

Source: Maybryonline.org

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Examples…

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**What stops heat transfer?**

An Insulator.

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Examples…

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**The second form of heat transfer is…**

Convection

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**Hot rises, cold falls creating currents.**

“Older Than Dirt” WebQuest Think Energy (UK)

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**Examples of convection**

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**The third form of heat transfer is…**

Radiation

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**Radiation is heat as an electromagnetic wave.**

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**The wave becomes heat when it hits an object.**

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Examples of radiation

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Quick Review!

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Heat Transfer Review

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**1. Heat is transferred through direct contact.**

Conduction Convection Radiation

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**Hot air rising, cold air falling.**

Conduction Convection Radiation

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3. Conduction Convection Radiation

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4. Conduction Convection Radiation

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5. Conduction Convection Radiation

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