发表于2025-01-06
Electricity 2025 pdf epub mobi 电子书
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Harnessing children's natural curiosity about the world, this engaging series introduces kids to key science concepts through a simple question-and-answer format. Vibrant photographs and probing questions explore basic electricity concepts, such as batteries, circuits, conductors, and light bulbs.
Electricity 2025 pdf epub mobi 电子书