character: Sonic Sally
topic: Understanding Sound Waves
grade: 3
subject: Computer Science
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character: Boom Boom
topic: Introduction to Sound Frequencies
grade: 3
subject: Computer Science
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character: Echo the Dolphin
topic: How Sound Travels in Water
grade: 3
subject: Computer Science
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character: Robby Rhythm
topic: Exploring Vibrations and Sound
grade: 3
subject: Computer Science
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