Why Do Shadows Change?

Автор:Nicolas Brasch
Жанр:Cambridge University Press
Год:2010
Страниц: 24
Издательство:Cambridge University Press
Аннотация:

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?