Descrizione
"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.
Dettagli del libro
Formato
Brossura
Pagine
24 pagine
Lingua
Inglese
Pubblicato
gen 1, 2009
Editore
Weigl Pub Inc
ISBN-10
160596039X
ISBN-13
9781605960395