Informal learning environments such as Natural History Museums can introduce visitors to a variety of topics in evolution by providing accessible representations of concepts like geological time, evolutionary mechanisms, biological diversity, geological time, and fossil dating. Our study examined sixth-grade students' conceptualization of…

We explored 30 Black Kindergarten-2nd grade students' spoken narratives around pages of their science journals that the children selected as best for showing them as scientists. Because in all narratives, space-time relationships play an important role not only in situating but also in constituting them, we focused on such relationships using…

Argues that "truth" and "time" are defined differently by scientists and postmodern observers of science: a theoretical definition of "truth" is often applied to scientific knowledge within science education, whereas a practical definition, supported by evidence, is used within science. (Author/CCM)

Carried out an investigation to identify conceptions of some components of worldview held by science student teachers (n=48) in a South African context. Explores relationships among worldviews, student characteristics, and scientific concepts. Reports that students' conceptions of time and distance were nonmechanistic and psychologically bound and…

Describes a study of the mental processes college students use in thinking about speed. Piagetian-type tasks dealing with speed, time, and distance were used in an individual interview format. Males outperformed females on tasks relating to speed, but not on the other tasks. (TW)