Cambridge IGCSE Combined Science practice

Paper 3 structured question: Transfer of thermal energy

Try the question first, then check the answer and practise the same topic again.

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Paper

Marks

Topic

Transfer of thermal energy

Exam-style question

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Paper 3Theory (Core)2 marks

Thermal energy transfer is a key concept in physics.

Description

Thermal radiation allows heat to be transferred without a medium, primarily through infrared radiation.

a
Explain how thermal radiation differs from conduction and convection.
Your answer
Aim for approximately 2 distinct marking points.
[2]

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Paper 3Theory (Core)1 marks

Description

Thermal energy can be transferred through different methods, including thermal radiation.

a
Define thermal radiation.
Your answer
Aim for approximately 1 distinct marking point.
[1]