Détails du livre
Format
Kindle
Pages
24
Langue
Anglais
Publié
Jan 1, 2014
Éditeur
The Child's World
ISBN-10
1631431404
ISBN-13
9781631431401
Description
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.