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：NT$ 574 元無庫存，下單後進貨(到貨天數約30-45天)
可得紅利積點：17 點
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商品簡介
Energy comes in many forms, including sound, heat, electricity, and light, and is perpetually at work all around us. As the inquisitive scientists in this book, readers will come to recognize some key characteristics of energy. Measuring the speed of sound, investigating reflection and refraction, and examining static electricity are a few of the experiments young scientists will undertake, with the help of boxed instructions and bright illustrations. All activities, as well as their underlying principles, are carefully explained. These essential STEM-based activities are a must for any science collection.
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