Physics 0625 · IGCSE · Transfer of thermal energy

Transfer of thermal energy — practice question

Fig. 6.1 illustrates apparatus used to show convection in air. A lit candle is positioned below glass tube A.
(a)[3]

Explain why the air moves as shown in Fig. 6.1.

(b)[3]

Describe an experiment to compare thermal conduction along the rods. You may include a labelled diagram to support your answer.

Worked solution & mark scheme

This 6-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Air above candle is heated / warms” …

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