本の詳細
形式
キンドル
ページ数
24
言語
英語
公開されました
Jan 1, 2014
出版社
The Child's World
ISBN-10
163143134X
ISBN-13
9781631431340
説明
Readers learn how this simple machine makes it easier to move things from one place to another. They also learn a wheel works with an axle. By the end of the book, readers know the difference between complex and simple machines and how wheels are used in everyday life to make work easier.