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Cambridge IGCSE Combined Science practice

Paper 3 structured question: Thermal properties and temperature

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Thermal properties and temperature

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Paper 3Theory (Core)3 marks

Understanding thermal expansion in different states of matter.

Description

Thermal Expansion

When solids, liquids, and gases are heated, they expand due to increased particle movement. Solids expand slightly, liquids expand more, and gases expand the most.

  1. a

    Explain how solids, liquids, and gases expand when heated at a constant pressure.

    Aim for approximately 3 distinct marking points.

    [3]

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Paper 3 structured question: Thermal properties and temperature

Paper 3Theory (Core)3 marks

Description

Real-World Applications of Thermal Expansion

Thermal expansion is considered in engineering, such as in the construction of bridges and railways, where materials are allowed to expand and contract without damage.

  1. a

    Discuss the importance of considering thermal expansion in engineering designs.

    Aim for approximately 3 distinct marking points.

    [3]