character: Mr. David Lee
topic: Comparative Study of Heat Conductors and Insulators
grade: 9
subject: Chemistry
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character: Ms. Sarah Johnson
topic: Exploring Properties of Thermal Conductivity
grade: 9
subject: Chemistry
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character: Mr. Jonathan Smith
topic: Practical Applications of Heat Insulation
grade: 9
subject: Chemistry
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character: Dr. Emily Zhang
topic: The Science Behind Conductors and Insulators
grade: 9
subject: Chemistry
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