character: Sonic Coach
topic: Understanding Sound Waves and Their Properties
grade: 9
subject: Physics
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character: Wave Master
topic: Types of Waves: Longitudinal and Transverse
grade: 9
subject: Physics
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character: Echo Explorer
topic: The Speed of Sound in Different Mediums
grade: 9
subject: Physics
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character: Frequency Finder
topic: Understanding Frequency and Pitch
grade: 9
subject: Physics
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