character: Sir Isaac Newton
topic: The Laws of Motion and Energy
grade: 9
subject: Science
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character: Galileo Galilei
topic: Early Concepts of Motion
grade: 9
subject: Science
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character: Albert Einstein
topic: Energy-Mass Equivalence
grade: 9
subject: Science
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character: Aristotle
topic: Classical Mechanics and Motion
grade: 9
subject: Science
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