Final answer:
Conduction is the heat transfer responsible for warming a spoon in hot water.
Explanation:
Conduction: Conduction is the type of heat transfer that causes a spoon to become warm when placed in a cup of hot water. This occurs as the heat from the hot water is directly transferred to the spoon through direct contact.
Example: If you stir a cup of hot tea with a metal spoon, the spoon will become warm due to conduction.
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