character: Bill Nye
topic: Understanding Frequency and Pitch
grade: 3
subject: Computer Science
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character: Bill Nye
topic: Sound Waves and Vibrations
grade: 3
subject: Computer Science
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character: Bill Nye
topic: The Science of Sound
grade: 3
subject: Computer Science
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character: Bill Nye
topic: How Instruments Create Sound
grade: 3
subject: Computer Science
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