The next time Janelle boils an egg, she wants it to cool off quickly. What should she do to maximize the rate of thermal energy transfer out of the egg?
Understand the Problem
The question is asking how Janelle can maximize the cooling rate of an egg, based on the observed final temperatures of eggs on different plates. It seeks to determine whether putting the egg on a ceramic or plastic plate facilitates better heat transfer.
Answer
Put the egg on the ceramic plate.
The final answer is to put the egg on the ceramic plate.
Answer for screen readers
The final answer is to put the egg on the ceramic plate.
More Information
The ceramic plate conducts heat better than the plastic plate, leading to a higher rate of thermal energy transfer, helping the egg cool faster.
Tips
A common mistake is to confuse heat retention with heat transfer rates. Materials that are good conductors will facilitate faster cooling.
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