Answer :
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When the heat from a bonfire is transferred to a student's hands, it occurs through the process of conduction. Here's how conduction works in this scenario:
1. Conduction is the process of heat transfer through direct contact between objects of different temperatures.
2. In the case of the bonfire and the student's hands, the molecules in the bonfire have high thermal energy (heat) due to combustion. When the student's hands come in contact with the air near the fire or any material heated by the fire, the molecules in the student's hands gain energy from the higher-temperature molecules in the surroundings.
3. This transfer of heat from the bonfire to the student's hands through direct contact is a classic example of conduction.
Convection and radiation are other methods of heat transfer, but in this specific scenario, conduction is the most relevant process that explains how the heat from the bonfire reaches the student's hands.
I hope this explanation helps you understand the concept of heat transfer in this context. Let me know if you have any more questions!