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Cambridge IGCSE Physics practice

Paper 4 structured question: Consequences of thermal energy transfer

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Consequences of thermal energy transfer

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Paper 4Theory (Extended)6 marks

Understanding thermal energy transfer mechanisms.

Description

Heat Transfer Mechanisms

Discuss the roles of conduction, convection, and radiation in the combustion of wood and the functioning of a car radiator.

  1. a

    Explain the role of conduction in the combustion of wood.

    Aim for approximately 3 distinct marking points.

    [3]
  2. b

    Explain how convection operates in a car radiator.

    Aim for approximately 3 distinct marking points.

    [3]

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Paper 4 structured question: Consequences of thermal energy transfer

Paper 4Theory (Extended)1 marks

Description

Thermal Energy Transfer

Consider the processes of conduction, convection, and radiation in the context of a fire burning wood and the operation of a car radiator.

  1. a

    State one method of heat transfer that occurs in a fire.

    Aim for approximately 1 distinct marking point.

    [1]