发表于2024-11-26
Change It! 2024 pdf epub mobi 电子书
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Developed with the cooperation of a science consultant, this book in the Primary Physical Science series is a tool to teach the physical sciences to young children. "Change It " takes the physics of matter -- solids, liquids and gases -- and transforms it into an enjoyable and easy-to-understand first science book.
Change It! 2024 pdf epub mobi 电子书