character: Magnetic Max
topic: How Magnets Help in Communication Technology
grade: 4
subject: Science
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character: Signal Sally
topic: Understanding Radio Waves
grade: 4
subject: Science
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character: Techie Tim
topic: The Role of Electromagnets in Telecommunications
grade: 4
subject: Science
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character: Electra the Explorer
topic: Magnets and Their Uses in Everyday Gadgets
grade: 4
subject: Science
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