character: Mr. Wave
topic: Properties of Waves and Sound
grade: 10
subject: Physics
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character: Sound Scientist
topic: Understanding Sound Waves
grade: 10
subject: Physics
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character: Wave Guru
topic: Types of Waves and Their Properties
grade: 10
subject: Physics
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character: Echo Explorer
topic: The Nature of Sound and Echoes
grade: 10
subject: Physics
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