ZIMSEC O-Level Physics
7.3Heat transfer
Heat transfer in ZIMSEC O-Level Physics: what the syllabus expects you to know, the learning objectives and how to practise.
Subtopic30 practice questions4 lessons
Overview
Form 3.
Learning objectives
What the syllabus expects you to be able to do.
- 7.3.1Identify good and bad conductors of heat and give a molecular account of conduction in solids.
- 7.3.2Relate convection to density changes in liquids and gases.
- 7.3.3Describe experiments to tell good and bad emitters and absorbers of infrared radiation apart, and deduce that good absorbers are good emitters.
- 7.3.4Explain applications of conduction, convection and radiation, such as sea breezes and vacuum flasks.
- 7.3.5Describe the function and design of a solar water heater.
Lessons
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Applying thermal energy transfer
24 min
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Conduction
18 min
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Convection
16 min
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Thermal radiation
24 min
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Sample question
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