character: Dr. Soundwave
topic: Sound Waves Researcher
grade: 9
subject: Physics
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character: Professor Resonance
topic: Applications of the Superposition Principle in Sound Waves
grade: 9
subject: Physics
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character: Ms. Echo
topic: Interference Patterns in Sound Waves
grade: 9
subject: Physics
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character: Mr. Frequency
topic: The Role of Sound Wave Frequencies in Music
grade: 9
subject: Physics
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