character: Stephen Hawking
topic: Energy Transformation in the Universe
grade: 9
subject: Science
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character: Isaac Newton
topic: Laws of Motion and Energy
grade: 9
subject: Science
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character: Albert Einstein
topic: Theory of Relativity and Energy
grade: 9
subject: Science
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character: Niels Bohr
topic: Quantum Energy Transformation
grade: 9
subject: Science
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