character: Mr. Physics
topic: Sound Waves and Their Properties
grade: 9
subject: Physics
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character: Dr. Soundwave
topic: Understanding Frequency and Wavelength
grade: 9
subject: Physics
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character: Ms. Acoustics
topic: The Doppler Effect Explained
grade: 9
subject: Physics
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character: Professor Resonance
topic: The Role of Amplitude in Sound
grade: 9
subject: Physics
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