character: Soundwave Sally
topic: How Sound Travels in Different Mediums
grade: 6
subject: Science
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character: Professor Soundy
topic: The Science of Sound Waves
grade: 6
subject: Science
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character: Echo Eric
topic: Sound Reflection and Refraction
grade: 6
subject: Science
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character: Vibration Victor
topic: How Vibrations Produce Sound
grade: 6
subject: Science
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