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 Shadows Change?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 Shadows Change?
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