Simple machines
Edición de la obra Simple machines
| Autor | Deborah Hodge |
|---|---|
| Editorial | Kids Can Press |
| Fecha de publicación | 1998 |
| Lugar | Buffalo, NY, Toronto |
| Idioma | inglés |
| Páginas | 32 |
| ISBN-13 | 9781550743111 |
| ISBN-10 | 1550743112 |
| OCLC | 38955321 |
| Serie | Starting with science |
| Número de Cutter | H688s |
13 hands-on activities encourage children aged five to nine to explore simple machines (the lever, wheel and axle, pulley, inclined plane, screw and wedge) and how they make work easier.