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Cambridge IGCSE Combined Science practice

Paper 3 structured question: Transfer of thermal energy

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3

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1

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Topic

Transfer of thermal energy

Exam-style question

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Paper 3Theory (Core)1 marks

Understanding thermal energy transfer is essential in science.

Description

Energy Transfer

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

  1. a

    Define thermal radiation.

    Aim for approximately 1 distinct marking point.

    [1]

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Paper 3 structured question: Transfer of thermal energy

Paper 3Theory (Core)2 marks

Description

Thermal Radiation

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

  1. a

    Explain how thermal radiation differs from conduction and convection.

    Aim for approximately 2 distinct marking points.

    [2]