character: Sandy the Sound Scientist
topic: How Sound Travels
grade: 3
subject: English
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character: Sandy the Sound Scientist
topic: Sound Waves
grade: 3
subject: English
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character: Sandy the Sound Scientist
topic: The Science of Sound
grade: 3
subject: English
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character: Sandy the Sound Scientist
topic: Echoes and Sound Reflection
grade: 3
subject: English
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