Why Shadows Change? L5 Factbook PB

Why Shadows Change? L5 Factbook PB

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Издательство: Cambridge University Press
Дата выхода: июль 2011
ISBN: 978-0-521-13731-7
Объём: 24 страниц

A series of twenty non-fiction science readers which engages children in the world around them. What is light? What is white light? What is a polar night? You can find the answers to these and other questions about light and shade in Why Do

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