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发表于2024-11-08
Science Projects for Young People pdf epub mobi txt 電子書 下載 2024
This exciting fully illustrated activity book brings youngsters into the stimulating world of scientific research. Over 30 safe and entertaining experiments deal with electricity and magnetism, light and color, water and air, sound and music, plants and animals and much more.
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Science Projects for Young People pdf epub mobi txt 電子書 下載 2024