Describes how to construct thin layer chromatography apparatus by using a sheet of glass, glass strips, epoxy resin and a chromatographic plate. (LS)

Describes an experiment demonstrating genetic transformation that opens up many areas of laboratory work and discussion with students. (LS)

Describes the insertion reaction using the insertion of carbenes into carbon-hydrogen bonds as an example. Outlines an experiment that will illustrate dihalocarbene insertions into diisopropyl ether. (GS)

Describes the use of teacher-made discovery kits for use in science activities. Suggestions are provided to help teachers scrounge surplus materials from stores, small manufacturers, doctors and other potential suppliers of free materials. (PEB)

Describes an independent study activity designed for secondary students, in which the students researched the desirability of funding the construction of a sea-level canal through Nicaragua by assuming the roles of the scientific specialists who would be involved in such a project. (MLH)

Illustrates how various common objects can be used in the classroom to demonstrate physical science concepts. Describes the use of toys, ice cubes, light bulbs, meter sticks, and wine bottles as teaching aids. (MLH)

Describes the procedures in growing thymol crystals and suggests eight activities which can be carried out by students in examining crystals. (BR)

Presents an investigative sequence of experiments addressed to the topic of photosynthesis. (BR)

Describes an investigation, using angel fish, designed to illustrate the nature-nurture controversy. Suggests observations, interpretations and other experiments that might be performed. (BR)

Describes how astrophysics can be a do-it-yourself project within a school boy's budget and background, by giving detailed instruction on equipment construction. In addition, this article describes many experiments to undertake, with the equipment, such as determining color temperature, star spectra, chemical composition and others. (BR)