Wikis are widely promoted as collaborative writing tools and are gaining in popularity in educational settings. However, while wikis include features that are designed to facilitate collaboration, it does not necessarily follow that their use will ensure or even encourage collaborative learning behaviour. The few empirical studies that have…

The purpose of this study was to determine the relative effectiveness of two instructional approaches upon the attitude, achievement, and retention of fourth, fifth, and sixth graders studying a 3-week unit on the metric system. A laboratory approach, in which students measured three-dimensional objects with tools scaled in metric units, was…

This profusely illustrated activity book helps students understand systems and cycles, how years change the look of the Earth, and how students can protect resources. The sections (and activities) in this book are: (1) The Earth (Introduction--View, Soil & Dirt); (2) Forces (Plate Tectonics, Earthquakes, Mountain Building, Erosion, Volcanoes,…