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.
| ISBN: | 9780822563112 |
| Publication date: | 1st August 2005 |
| Author: | Feldmann, Roseann|Walker, Sally M. |
| Publisher: | Lerner Publishing Group |
| Format: | Ebook (PDF) |