character: Sound Whisperer
topic: Sound Waves and Their Behavior
grade: 9
subject: Physics
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character: Wave Hunter
topic: Properties of Sound Waves
grade: 9
subject: Physics
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character: Echo Explorer
topic: Reflection and Refraction of Sound
grade: 9
subject: Physics
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character: Harmonic Hero
topic: Frequency and Pitch of Sound Waves
grade: 9
subject: Physics
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