Heat Transfer

Textbook
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Notes for teachers
Conduction is a process by which the total vibrational energy of the molecules in increased and is transferred to neighbouring atoms.

Convection involves the movement of atoms in a substance and since this involves movement this is typically found in solids and gases.

Radiation is heat energy given out as electromagnetic radiation.

Teaching Outlines
You can click [Methods of Heat Transfer] to see the teaching outlines for the topic along with additional resources.

Click below for a web-based interactive session on how conduction and convection happen.
BBC-GCSE-Bitesize

This is an interesting video on methods of heat transfer
Video on methods of heat transfer

We saw that heat is energy and this energy can be transferred from one body to another. We also saw that temperature is the way we measure the degree of hotness of an object. But how does this heat get transferred? When we heated milk, oil and water as well as the spoon, we saw that the temperature was different. We also saw that the temperature depended on the molecular structure. The molecular structure of the substances also determines how the heat is transferred through the substance. Watch the following two videos to see how heat is transferred in solids and liquids.

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