character: Wattson
topic: Energy Flow in Electrical Systems
grade: 2
subject: Computer Science
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character: Wattson
topic: Understanding Energy Sources
grade: 2
subject: Computer Science
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character: Wattson
topic: How Circuits Work
grade: 2
subject: Computer Science
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character: Wattson
topic: The Importance of Energy Conservation
grade: 2
subject: Computer Science
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