More Blue Ribbon Science Fair Projects

ISBN: 9780071346689

作者: Maxine H Iritz

出版社: McGraw-Hill/Contemporary Books

出版年: 1999-12-01

定价: 110.1

内容简介

More award-winning science fair projects from the best-selling author of Blue Ribbon Science Fair Projects. Putting together a science fair project for the first time can be intimidating. That＇s why t