描述
Explains the sources of energy that make some things work, including springs and gravity, and suggests simple experiments that reveal the basic principles of energy
書籍詳情
格式
平裝書
頁數
32 頁
語言
英語
已出版
Jul 1, 1994
出版商
Gareth Stevens Pub
ISBN-10
0836811224
ISBN-13
9780836811223