Inclined planes 的封面图片
Inclined planes
题名:
Inclined planes
PERSONAL_AUTHOR_EPSB:
摘要:
"Presents information on simple machines with a focus on inclined planes. Explains what an inclined plane is, and includes examples of past and present uses. Intended for third to fifth grade students".
出版日期范围:
2013

2013,

2009
SERIES_EPSB:
一般注释:
Includes index.
内容:
What is an inclined plane? -- Splitting forces -- Understanding force and effort -- Getting a grip -- Simple machines -- Moving planes -- Inclined planes in nature -- Gaining an advantage -- Surfing simple machines -- Science in action -- What have you learned?
主题词汇:
ISBN:
9781621274247

9781621274308
出版信息:
New York, N.Y. : AV2 by Weigl, 2013.