New GCSE AQA Physics lesson on 'Energy Transfer by Conduction' written in line with new AQA Physics specification.
Choice of two different starters to prompt discussion of heat transfer by conduction. Either looking at cooking using rods through meat or placing ice on different materials to melt.
A series of scenarios are shown involving heat conduction which allow pupils to discuss why things feel hot or cold.
A class experiment is provided which uses different material rods to identify which one conducts heat quickest. The results of this are then discussed with questions to start promoting good scientific investigation skills.
Thermal conductivity is explored by looking at the meaning of each words separately and then together. Pupils are then to put a number of different material in order of thermal conductivity, which is then discussed for common materials which are highly conductive or poorly conductive. This leads onto thermal insulation and some final review questions.
Lesson Objectives:
1) Provide definitions for conductors and insulators.
2) Identify common conductors and insulators and explain in relation to thermal conductivity.
3) Relate thermal conductivity to rate of energy transfer.
4) Explain ways in which rate of heat transfer can be reduced.
Choice of two different starters to prompt discussion of heat transfer by conduction. Either looking at cooking using rods through meat or placing ice on different materials to melt.
A series of scenarios are shown involving heat conduction which allow pupils to discuss why things feel hot or cold.
A class experiment is provided which uses different material rods to identify which one conducts heat quickest. The results of this are then discussed with questions to start promoting good scientific investigation skills.
Thermal conductivity is explored by looking at the meaning of each words separately and then together. Pupils are then to put a number of different material in order of thermal conductivity, which is then discussed for common materials which are highly conductive or poorly conductive. This leads onto thermal insulation and some final review questions.
Lesson Objectives:
1) Provide definitions for conductors and insulators.
2) Identify common conductors and insulators and explain in relation to thermal conductivity.
3) Relate thermal conductivity to rate of energy transfer.
4) Explain ways in which rate of heat transfer can be reduced.
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