Describes a laboratory course taught at the University of Manchester Institute of Science and Technology (United Kingdom) which focuses on the preparation, properties, and applications of end-use products of the chemical industry. Outlines laboratory experiments on dyes, fibers, herbicides, performance testing, antioxidants, and surface active…

This unit, developed by the Third World Science Project, is designed to add a multicultural element to existing science syllabi (for students aged 11-16) in the United Kingdom. The project seeks to develop an appreciation of the: boundless fascination of the natural world; knowledge, skills, and expertise possessed by men/women everywhere;…

Discusses the fixation of atmospheric nitrogen in the form of ammonia as one of the foundations of modern chemical industry. The article describes ammonia production and synthesis, purifying the hydrogen-nitrogen mix, nitric acid production, and its commericial plant. (HM)

Describes three basic mechanisms of photosynthetic carbon dioxide assimilation in terrestrial higher plants. A few examples of each type are also included. (HM)

Explores changes in students' (n=250) thinking about basic chemical ideas during a context-based curricular approach. Suggests that 16- to 18-year-old students enter chemistry courses with a wide range of misunderstandings about chemical reactions, but understanding improves steadily as the course progresses. Concludes that even misunderstandings…