character: Harmonic Hero
topic: Frequency and Pitch Relationship
grade: 9
subject: Physics
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character: Sound Wave Explorer
topic: Understanding Frequency and Amplitude
grade: 9
subject: Physics
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character: The Pitch Master
topic: How Frequency Affects Sound Pitch
grade: 9
subject: Physics
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character: Wave Rider
topic: The Science of Sound and Frequency
grade: 9
subject: Physics
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