character: Max
topic: Comparing LED and Incandescent Bulbs
grade: 2
subject: English Language
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character: Lily
topic: Understanding Light Sources
grade: 2
subject: English Language
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character: Tommy
topic: Energy Efficiency of Light Bulbs
grade: 2
subject: English Language
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character: Sara
topic: The Science of Light and Color
grade: 2
subject: English Language
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