Trabajo / por Sally M. Walker y Roseann Feldmann ; fotografías de Andy King.

What is work' You may think work is doing chores or going to a job, but you do work every time you move something from one place to another. With experiments that demonstrate these fundamental concepts, discover how you work, and how simple machines make doing work easier.

Bibliographic Details

Uniform Title:	Work. Spanish
Online Access:	Electronic book from EBSCO
Main Author:	Walker, Sally M.
Other Authors:	Feldmann, Roseann King, Andy
Format:	Electronic eBook
Language:	English Spanish
Published:	Minneapolis : Lerner, 2006.
Series:	Walker, Sally M. Libros de fisica para madrugadores.
Subjects:	Work (Mechanics) > Juvenile literature. Simple machines > Juvenile literature.