Descrição
"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.
Detalhes do Livro
Formato
Brochura
Páginas
24 páginas
Idioma
Inglês
Publicado
jan 1, 2009
Editora
Weigl Pub Inc
ISBN-10
160596039X
ISBN-13
9781605960395