character: Dr. Emily Johnson
topic: Understanding Electrical Conductivity in Materials
grade: 9
subject: Chemistry
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character: Mr. Thomas Lee
topic: Introduction to Conductors and Insulators
grade: 9
subject: Chemistry
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character: Ms. Sarah Carter
topic: The Role of Electrons in Conductivity
grade: 9
subject: Chemistry
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character: Dr. Robert Kim
topic: Factors Affecting Electrical Conductivity in Different Materials
grade: 9
subject: Chemistry
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