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Lesson 5: Conduction, Convection, Radiation

Lesson 5 2009 Energy Heats Maine1 GOverview heat moves from warmer matter to cooler matter in different ways. Students consider heat transfers that occur in everyday situations and investigate three specific ways that heat moves: conduction , convection, and Radiation . Teacher BackgroundHeat is thermal energy that is in transit. In the previous lessons students explored the idea that heat moves (transfers) and that heat moves from warmer matter to cooler matter. But how exactly is heat transferred from warmer matter to cooler matter? Conduc-tion, convection, and Radiation are the three ways that heat moves from one substance to another. Have you ever grabbed the handle of a hot metal pan or walked barefoot across asphalt on a scorching summer day?

• describe how heat moves by conduction, convection, and radiation. • give examples of heat transfers that occur in every day situations. Vocabulary conduction: the transfer of heat through a material by direct contact. convection: the transfer of heat in a fluid (gas or liquid) as a result of the movement of the fluid itself.

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