character: Ms. Thompson
topic: Understanding Catalysts
grade: 9
subject: Science
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character: Mr. Roberts
topic: Activation Energy in Reactions
grade: 9
subject: Science
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character: Dr. Lewis
topic: Role of Catalysts in Chemical Reactions
grade: 9
subject: Science
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character: Mrs. Garcia
topic: Energy Diagrams and Activation Energy
grade: 9
subject: Science
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