character: Dr. Melody
topic: Understanding Sound Waves in Different Mediums
grade: 10
subject: Physics
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character: Professor Echo
topic: The Speed of Sound in Gases vs. Solids
grade: 10
subject: Physics
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character: Sound Scientist
topic: How Temperature Affects Sound Propagation
grade: 10
subject: Physics
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character: Wave Expert
topic: Comparative Studies of Sound in Water and Air
grade: 10
subject: Physics
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