Two volunteer BEd student teachers in their fourth year of a BEd degree at a metropolitan university in the Western Cape of South Africa designed and taught lessons to two classes of the same age and ability in grade 7 (ages 12-13), using drama role-plays (intervention) and more conventional non-drama methods (control). Lessons were observed and…

Presents the results of a cross-age study of 7- to 15-year-old children on their thinking about vertebrate and invertebrate animals. Suggests experiences that could be included in the school science curriculum and argues for more classroom work relating structure with function in order to address students' conceptual difficulties. (Contains 18…

Alternative classifications commonly used by children aged 12, 14, and 15 are presented. Why children use such alternatives is discussed. Age- and gender-related trends in performance on classification tasks is examined. Children's attitudes to classification and their perceptions of its usefulness in school and everyday contexts are reviewed. (KR)