Young readers will learn how we send and receive messages using light and sound in this accessible, photo-filled book. Simple text explains different methods of sending messages and shows how light and sound make sending these messages possible. Vibrant photos bring basic science concepts to life and encourage kids to explore light and sound on their own.
€46.21
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语言 英语 ● 格式 PDF ● ISBN 9781467746878 ● 出版者 Lerner Publishing Group ● 发布时间 2014 ● 下载 3 时 ● 货币 EUR ● ID 4756428 ● 复制保护 Adobe DRM
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