character: Ms. Jane Doe
topic: Exploring Wave Properties in Various Materials
grade: 9
subject: Physics
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character: Mr. John Smith
topic: Understanding Sound Waves in Different Mediums
grade: 9
subject: Physics
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character: Dr. Emily White
topic: Wave Reflection and Refraction in Solids and Liquids
grade: 9
subject: Physics
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character: Ms. Sarah Johnson
topic: The Behavior of Light Waves Through Different Materials
grade: 9
subject: Physics
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