Описание
"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.
Детали книги
Формат
Мягкая обложка
Страницы
24 страниц
Язык
Английский
Опубликовано
янв 1, 2009
Издатель
Weigl Pub Inc
ISBN-10
160596039X
ISBN-13
9781605960395