Rebuttal to a previous article maintains that laboratory experiences help students further develop their reasoning abilities. (Author/MLF)

The growth and study of lower fungi, especially Oomycetes and Zygomycetes, in the biology classroom are described. (BB)

This report explains the importance of various analytical balances in the water or wastewater laboratory. Stressed is the proper procedure for utilizing the equipment as well as the mechanics involved in its operation. (CS)

Describes an experiment illustrating a lesson in wave interference using bright colors in a soap film. Illustrations provided. (MA)

Describes procedures for the disposal of chemicals commonly used in secondary school chemistry laboratories. Special reference is given to inorganic salts. It is suggested that cyanides and other highly toxic salts should be disposed of by experts. (MA)

Compares the preparation and decomposition of potassium dibromoiodate and of phenyl iodine dichloride in a flexible experiment which accustoms the student to handle halogens, to test for halogens in mixtures, and to appreciate the difference between thermodynamic and kinetic control of reactions. (Author/MA)

Presents material dealing with an application of statistical thermodynamics to the diatomic solid I-2(s). The objective is to enhance the student's appreciation of the power of the statistical formulation of thermodynamics. The Simple Einstein Model is used. (Author/MA)

Two demonstrations are described which are suitable for introductory chemistry classes. The first involves the precipitation of silver, and the second is a demonstration of the relationship between rate constants and equilibrium constants using water and beakers. (BB)

Describes some of the techniques that enable the amateur microscopist to make scientifically revealing photographs, using simple and inexpensive equipment. (GA)

The brick arch from the oldest part of the building was used as a design theme in the renovation of an old elementary school. (Author/MLF)

Describes how college writing instructors can make use of resource files of handouts, articles, bibliographies, and books located in the writing lab. (DD)

Describes one reading lab's successful efforts to improve the study and content reading skills of students in classes throughout the university. (DD)

Gives recommendations for the establishment of science laboratory programs in elementary schools, cites research on various types of programs and provides an extensive list of texts that can be used. (MS)

The self-inserted tampon was demonstrated as being capable of acting as a retriever of vaginal pathogens in comparison testing with the traditional pelvic examination (swab) method. (MB)

The most frequent testing required under the Safe Drinking Water Act of 1974 is for turbidity and coliform. Free chlorine residual testing can be substituted for part of the coliform requirement. Described are chemical procedures for performing this test. References are given. (Author/MA)