character: Reactor Rex
topic: Types of Catalysts in Chemical Reactions
grade: 6
subject: Science
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character: Reactor Rex
topic: Understanding Chemical Reactions
grade: 6
subject: Science
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character: Reactor Rex
topic: Introduction to Catalysts
grade: 6
subject: Science
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character: Reactor Rex
topic: How Catalysts Work in Reactions
grade: 6
subject: Science
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