101 Science Fair Projects Author:Kris Hirschmann, Barbara Levy Troll is one of the most trusted names in education, and this new addition to its best-selling reference series provides more than 100 fresh ideas for science fair projects. Projects are presented by category (for example, chemistry, physics, or microbiology) and subject (foods, animals, toys, slimy & stick). Includes a detailed index and bibl... more »iography, including Internet sources.« less