character: Mr. David Lee
topic: Heat Conduction vs. Convection
grade: 12
subject: Chemistry
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character: Mrs. Sarah Kim
topic: Thermal Energy Transfer
grade: 12
subject: Chemistry
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character: Dr. Emily Zhang
topic: States of Matter and Heat
grade: 12
subject: Chemistry
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character: Mr. John Smith
topic: Thermodynamics Principles
grade: 12
subject: Chemistry
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