character: Dr. Green
topic: The Nature of Sound Waves
grade: 10
subject: Physics
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character: Mr. White
topic: Wave Properties and Applications
grade: 10
subject: Physics
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character: Ms. Blue
topic: The Behavior of Sound in Different Mediums
grade: 10
subject: Physics
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character: Professor Yellow
topic: Understanding Frequency and Amplitude
grade: 10
subject: Physics
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