The goal of the study was to compare how visual representations were integrated into the contents of the U.S. and Turkish textbooks used in life science. Data was collected from 6th, 7th, and 8th grade middle school topics common to both countries. Content analysis was used to analyse visual representations in textbooks. The visual representations…

Presents an activity in which students construct a walk-in sized model of a living cell and teach younger students about the cell. (ASK)

This paper provides an analysis of a teacher development experiment (cf. Simon, 2000) designed to support teachers' understandings of statistical data analysis. The experiment was conducted as part of collaborative efforts between the author and a cohort of middle-school mathematics teachers during the 2000-2001 academic year. Analysis of the…

Describes a seventh-grade class project where students constructed a "time tunnel" (a walk-through display with models and exhibits illustrating various themes and eras). Beginning modestly, the tunnel grew over seven years to include 11 different display scenes. Discusses the construction of the project and benefits to the school. (MJP)

The plight of students learning language simultaneously with content material, particularly math, spurred this study of the power of socioculturally based pedagogy, such as Instructional Conversation (IC), to increase Spanish-speaking minority students' acquisition of English math lexicon and concepts. This article describes a series of four ICs…