character: Albert Einstein
topic: Expansion of Gravitation Theory
grade: 10
subject: Physical Education
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character: Isaac Newton
topic: Laws of Motion and Universal Gravitation
grade: 10
subject: Physical Education
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character: Galileo Galilei
topic: Early Studies of Gravity
grade: 10
subject: Physical Education
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character: Stephen Hawking
topic: Black Holes and Gravitational Waves
grade: 10
subject: Physical Education
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