character: Dr. Frequency
topic: The Role of Frequency in Sound Production
grade: 9
subject: Physics
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character: Ms. Wave
topic: Understanding Waveforms and Frequency
grade: 9
subject: Physics
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character: Mr. Vibration
topic: The Science of Vibration and Sound Waves
grade: 9
subject: Physics
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character: Professor Acoustics
topic: Exploring Sound Waves and Their Properties
grade: 9
subject: Physics
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