character: Student A
topic: Energy Changes in Reactions: Definitions and Examples
grade: 9
subject: Chemistry
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character: Teacher B
topic: Exothermic vs. Endothermic Reactions Explained
grade: 9
subject: Chemistry
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character: Student C
topic: Understanding Energy Changes in Chemical Reactions
grade: 9
subject: Chemistry
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character: Teacher D
topic: Investigating Real-Life Examples of Endothermic and Exothermic Reactions
grade: 9
subject: Chemistry
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