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Cambridge IGCSE Combined Science practice

Paper 4 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 4Theory (Extended)3 marks

Convection plays a significant role in natural phenomena.

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Convection in Weather

In the atmosphere, warm air rises and cool air sinks, influencing weather patterns.

  1. a

    Discuss How does convection affect weather patterns?

    Aim for approximately 3 distinct marking points.

    [3]

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Paper 4 structured question: Transfer of thermal energy

Paper 4Theory (Extended)3 marks

Description

Convection Process

In a heated fluid, warmer areas rise while cooler areas sink, creating a cycle of movement known as convection currents.

  1. a

    Analyse Explain how changes in density lead to convection in liquids and gases.

    Aim for approximately 3 distinct marking points.

    [3]