Détails du livre
Format
Broché
Pages
24
Langue
Anglais
Publié
Jan 1, 2009
Éditeur
Weigl Pub Inc
ISBN-10
160596039X
ISBN-13
9781605960395
Description
"Presents information on simple machines with a focus on screws. Explains what a screw is, how screws work, and includes examples of past and present uses. Intended for third to fifth grade students"--Provided by publisher.
Genres
Science & Technologie