The aim of this study was to elicit students' conceptions about big bubbles in boiling liquids (water, ethanol and aqueous CuSO[subscript 4] solution). The study is based on twenty-four students at different ages and grades. The clinical interviews technique was conducted to solicit students' conceptions and the interviews were analyzed to…

Public schools in the United States are facing a growing literacy crisis. Approximately a quarter of the population of 12th-grade students are still reading below basic levels, which means that they are barely able to comprehend at a literal level, make interpretations, identify relevant information, make simple inferences, and recognize and…

Like any other complex agenda of reform, the notion of teaching for understanding contains areas of uncertainty and ambiguity. This paper uses an hermeneutic research cycle to identify some uncertainties in understanding of teaching for understanding. These areas of uncertainty are discussed in relation to the literature and vignettes from three…