character: Dr. Vibration
topic: The Physics of Sound Waves
grade: 10
subject: Physics
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character: Ms. Echo
topic: Sound Reflection and Refraction
grade: 10
subject: Physics
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character: Professor Wave
topic: Types of Waves: Longitudinal and Transverse
grade: 10
subject: Physics
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character: Captain Frequency
topic: Understanding Frequency and Pitch
grade: 10
subject: Physics
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