character: Ellie
topic: Earthquake Waves
grade: 6
subject: Science
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character: Seismologist Sam
topic: How Seismographs Work
grade: 6
subject: Science
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character: Tremor Tommy
topic: Types of Earthquake Waves
grade: 6
subject: Science
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character: Waves Wanda
topic: Understanding P-Waves and S-Waves
grade: 6
subject: Science
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