character: Dr. Smith
topic: Wave Behavior in Different Mediums
grade: 9
subject: Physics
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character: Ms. Johnson
topic: Understanding Sound Waves and Their Propagation
grade: 9
subject: Physics
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character: Mr. Lee
topic: Light Refraction and Reflection in Various Materials
grade: 9
subject: Physics
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character: Mrs. Davis
topic: Comparative Analysis of Wave Speed in Solids, Liquids, and Gases
grade: 9
subject: Physics
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