Machine Spectacular Science Projects Book
March 17th, 2008 . by admin
Students can learn how an elevator works using a box, string, a paper cup, and some coins; or they can build a bubble machine with cardboard boxes, Styrofoam, and wire. Over all, the book contains twenty simple and fun experiments about machines, as well as dozens of additional suggestions on how to develop your own science fair project. Softcover, 96 pages.