character: Marie Curie
topic: Discovery of Radioactivity and Its Applications
grade: 9
subject: Science
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character: Henri Becquerel
topic: Discovery of Radioactivity
grade: 9
subject: Science
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character: Albert Einstein
topic: Theory of Relativity and Energy-Mass Equivalence
grade: 9
subject: Science
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character: Lise Meitner
topic: Nuclear Fission and Its Impact
grade: 9
subject: Science
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