character: Polymer Pete
topic: Catalysis in Chemical Reactions
grade: 9
subject: Science
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character: Catalyst Cat
topic: The Role of Catalysts in Chemistry
grade: 9
subject: Science
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character: Reactor Rex
topic: Chemical Reaction Rates
grade: 9
subject: Science
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character: Molecule Molly
topic: Molecular Structure and Chemical Bonds
grade: 9
subject: Science
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