character: Chemistry Guru
topic: The Strength of Different Metals
grade: 9
subject: Chemistry
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character: Science Explorer
topic: Properties of Metals
grade: 9
subject: Chemistry
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character: Metal Master
topic: Comparative Strength of Alloys
grade: 9
subject: Chemistry
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character: Lab Technician
topic: Testing Metal Durability
grade: 9
subject: Chemistry
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