Physics for IGCSE & O level - Thermal Effects (Section 2 - No. 20)
Which of the following is an example of thermal conduction?
The sun's warmth reaching the Earth.
Boiling water in a pot.
Heat transfer through a metal spoon in hot soup.
The movement of hot air rising from a fire.
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Heat transfer through a metal spoon is conduction because the spoon is in direct contact with the soup.