发表于2024-12-02
Science Projects for Young People 2024 pdf epub mobi 电子书
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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.
Science Projects for Young People 2024 pdf epub mobi 电子书