MATERIALS.

The article presents information on useful teaching materials and some useful educational tips. "Free and Inexpensive Learning Materials," is a classic teachers' aid booklet. "The Story of Farm Chemicals," is an information-filled brochure which is educationally sound. The Fifth National Science Fair will be held at Purdue University, Indiana, from May 13-15, 1954. Papier mache can be made by tearing up newspaper in small pieces, soaking in lots of water for two days.