商品簡介
Although they are all around us, light and sound are very difficult to explain to young children. Now readers can join an expert to uncover what light and sound are, how they are generated, and how a reader’s own eyes and ears work. Simple hands-on projects round out this introduction to an essential scientific subject.
作者簡介
Dr. Mike Goldsmith is the former head of the United Kingdom’s National Physical Laboratory and the author of numerous children’s books, including Kingfisher’s Explore encyclopedia and Kingfisher Young Knowledge: Solar System.
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