character: Enzyme Eddie
topic: Introduction to Enzymes
grade: 4
subject: Science
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character: Professor Polymer
topic: Understanding Macromolecules
grade: 4
subject: Science
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character: Captain Catalyst
topic: The Role of Catalysts in Reactions
grade: 4
subject: Science
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character: Dr. Reaction
topic: Chemical Reactions and Energy
grade: 4
subject: Science
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