توضیحات
"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.
جزئیات کتاب
فرمت
جلد نرم
صفحات
24 صفحه
زبان
انگلیسی
منتشر شده
ژانویه 1, 2009
ناشر
Weigl Pub Inc
ISBN-10
160596039X
ISBN-13
9781605960395