Descripción
Levers are a simple machine that makes work easier. Young readers will learn what a lever is, how it makes work easier, the three classes of levers, and how they are used for both work and play.
Detalles del libro
Formato
Libro electrónico
Páginas
25 páginas
Idioma
Inglés
Publicado
ago. 1, 2009
Editorial
Bellwether Media
Ediciones
2 ediciones
ISBN-10
1612115039
ISBN-13
9781612115030