描述
In this book, readers learn what gravity is and how it impacts weight. They learn about the US customary system and the metric system, where each is used, and the units of measurement in each system. Readers also learn about balances, scales, and estimating weights.
书籍详情
格式
Kindle
页数
24 页
语言
英语
已发布
1月 1, 2014
出版商
The Child's World
版本
2 个版本
ISBN-10
1631431404
ISBN-13
9781631431401