character: Mr. Thompson
topic: Introduction to Chemistry and Plastics
grade: 9
subject: Chemistry
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character: Ms. Johnson
topic: Understanding Chemical Reactions
grade: 9
subject: Chemistry
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character: Dr. Lewis
topic: The Properties of Polymers
grade: 9
subject: Chemistry
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character: Mrs. Carter
topic: The Role of Chemistry in Everyday Life
grade: 9
subject: Chemistry
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