The goal of this comparative study was to determine the knowledge that French and Turkish upper secondary-school students (grades 11 and 12) acquire on the concept of acid-base reactions. Following an examination of the relevant curricula and textbooks in the two countries, 528 students answered six written questions about the acid-base concept.…

"Biological identity" is the result of interactions between the environment and the genome. These interactions, however, were not taught before 2001. In the French syllabus for 16-year-old students, two of the five sections on genetics deal with biological identity. We analysed the texts and images of the chapters relating to these two…

Evaluates experiences gained using nontraditional teaching methods in college physical chemistry, including small group instruction, use of teacher prepared materials, integration of theoretical and directed teaching, continual examination of knowledge and less emphasis on teacher centered approaches. Suggests positive influences resulting from…

Examined the evolution of the knowledge and the notions of students in order to see how after one year of university study their concepts and ideas of scientific theory in chemistry had progressed. Reports that sometimes the students' conceptions are modified in the wrong way. (Author/YP)