Stable isotopes in natural materials provide a powerful way to study energy flow in many systems and are widely used in fields such as archaeology, ecology, forensics, geochemistry, geology, oceanography, palaeoecology and palaeoclimatology. Based on the manner in which stable isotopes fractionate in natural systems, they allow scientists to…

Our 4th grade year has become known as "the field trip year", with over 10 trips carefully aligned with learning units across the year. This article describes the first trip of the year, which in many ways sets the stage for students' effective use of field trips as engaging extensions and applications of classroom learning. The Pike's…

Ethnic and racial minorities constitute an important part of the geosciences community because of their diverse perspectives and backgrounds. However, the geosciences have the poorest diversity record of all the science and engineering fields. Recruitment of minorities is important and numerous programs are focusing on engaging students in…

This article offers a description of an innovative youth program that embeds learning in a practical setting: a gardening program in which youth plant, harvest, and market their own produce. As an outgrowth of the gardening project, participants also interviewed scientists about their jobs in a way that underscored the practical use of science…

This guide to environmental and outdoor education is based on the principle that man will properly care for his world only if he both understands and appreciates it. Seventy-two multidisciplinary environmental themes are identified for instruction in grades K-12. Each theme is presented with behavioral objectives, key concepts, and both in school…