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Hydrogen

Niki Walker 著

出版社：Crabtree

出版时间：2006-11

ISBN：9780778729297

词汇量：5668

页数：32

类别：

虚构：非虚构

开本：

阅读年龄：

作者简介

内容简介

In this important new book， children will discover not only what hydrogen is， but also how this simple element can create clean energy， as well exploring it's past dealings with hot air balloons and airships， its present， space shuttles and fuel cells.

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