Engaging experiments using simple toys and everyday stuff teach curious young minds all about light and sound. Readers can take an up-close look at how sound vibrations work, what pitch is, how reflection and refraction are related, and so much more. With low-level text and step-by-step photos, connecting young readers with science concepts has never been simpler!
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语言 英语 ● 格式 PDF ● ISBN 9781474703659 ● 出版者 Raintree UK ● 下载 3 时 ● 货币 EUR ● ID 4907339 ● 复制保护 Adobe DRM
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