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Cambridge IGCSE Combined Science practice

Paper 3 structured question: Transfer of thermal energy

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Attempt questionTransfer of thermal energy revisionRevise the key idea

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Transfer of thermal energy

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Paper 3Theory (Core)4 marks

Consider the use of thermal insulators in everyday life.

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Use of Thermal Insulators

Thermal insulators are used in various applications, such as in building materials and kitchen appliances, to reduce heat transfer.

  1. a

    Discuss the importance of thermal insulators in energy conservation.

    Aim for approximately 4 distinct marking points.

    [4]

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Paper 3 structured question: Transfer of thermal energy

Paper 3Theory (Core)2 marks

Description

Thermal Conductors and Insulators

Materials can be classified based on their ability to conduct heat. Metals are generally good conductors, while materials like wood and plastic are insulators.

  1. a

    Define thermal conductor and thermal insulator.

    Aim for approximately 2 distinct marking points.

    [2]