The concept of physical and chemical change is far from being the clearest and most self-explanatory concept in the world. If a number of chemists are asked to define physical and chemical change, there may well appear to be a fair degree of uniformity in their answers, until a few examples are suggested. When chemists are asked to place a variety…

The report of a study that investigated the views held by Botswana and U.S. K-12 teachers on a variety of contemporary educational issues prominent in the United States is presented. The study concerned itself with the level of agreement or disagreement between the views of the two groups of teachers, and contends that interpretations of such…

The debate about what constitutes good teaching in the industrialized countries of the world tends to be carried over into the developing world without examining ways in which social and cultural contexts of the originating countries differ from those of the receiving ones. This study explores differences in perceptions of elementary education…