character: Student B
topic: Applying Density in Real-World Situations
grade: 9
subject: Chemistry
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character: Student A
topic: Understanding Density in Solids and Liquids
grade: 9
subject: Chemistry
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character: Teacher C
topic: Density and Buoyancy: Practical Applications
grade: 9
subject: Chemistry
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character: Student D
topic: Calculating Density: Experiments and Applications
grade: 9
subject: Chemistry
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