A class exercise was designed for a college-level geochemistry class to promote inquiry and student participation. In this exercise, real soil data available online was analyzed to evaluate geochemical associations among different soil orders and as a screening tool for anthropogenic metal contamination. Students were asked to read a peer-reviewed…

Describes how one geology teacher relies on written and oral assignments both as learning tools and as a means to motivate students and assess their work. Frequent written and oral assignments dramatically improve the levels of engagement and learning. Presents some advantages of written and oral assignments and includes examples. (PVD)