Monitoring Lead in an Urban Community Garden part of Service Learning:Activities
Jennifer Latimer, Indiana State University
Each spring, students in a 300-level field course collect samples from urban community gardens to monitor soil lead concentrations.

Chemical Equilibrium Misconceptions part of Pedagogy in Action:Library:Mathematical and Statistical Models:Examples
Barry Bickmore, Brigham Young University
This STELLA modeling and writing assignment helps students confront and replace common misconceptions about chemical equilibrium.

Weak Acid Equilibrium part of Hydrogeology:Hydrogeology, Soils, Geochemistry 2013:Activities
Michael Stapleton, Slippery Rock University of Pennsylvania
Students are asked to calculate the pH of a weak acid aqueous solution. The problems involve a series of generic acids with assigned equilibrium constants (Ka) and total concentrations (Ct). Initially, students are ...

Soil Biogeochemical Cycles part of Hydrogeology:Hydrogeology, Soils, Geochemistry 2013:Activities
Colin Robins, Claremont McKenna College
This group activity charges students with teaching their colleagues about the biogeochemical cycle of one key soil element (e.g., either C, N, S, P, Ca, or Fe). Students are given a single class period to summarize ...

Using spring water chemistry to understand groundwater inputs part of Hydrogeology:Hydrogeology, Soils, Geochemistry 2013:Activities
Rebecca Frus, University of New Mexico-Main Campus
The assignment will begin with teaching proper water collection and use of equipment for hydrochemical field work. Once the class is familiar with sample collecting technques, the class takes a field trip to ...

Construction of a Simple Conceptual Model part of Hydrogeology:Hydrogeology, Soils, Geochemistry 2013:Activities
Scott Werts, Winthrop University
This homework assignment is designed to give the students practice in developing a simple conceptual model using reservoirs, fluxes, and simple calculations of sediment, carbon and nutrient accumulation in a ...

Soil Profile Homework part of Hydrogeology:Hydrogeology, Soils, Geochemistry 2013:Activities
Daniel Hirmas, Texas Tech University
This is one of 4 homework assignments given to students throughout this introductory soils course. The main goal of these assignments are to give the students practice with the mechanics of problem solving, ...

Co-evolution of Life and Minerals part of Hydrogeology:Hydrogeology, Soils, Geochemistry 2013:Activities
Penelope Boston, New Mexico Institute of Mining and Technology
Based on the 2010 Scientific American paper by Hazen, and the more technical 2008 paper of Hazen et al, both of which explore the effect of the biosphere on the tremendous number of mineral species that occur on ...

Introduction to urban watershed geochemistry part of Hydrogeology:Hydrogeology, Soils, Geochemistry 2013:Activities
Vijay Vulava, College of Charleston
The main goal of this multi-part field and lab exercise is to introduce students to practical aspects of soil and water geochemistry. Some of the analyses for this lab are conducted in the field using field ...

Stable Isotopes and M&Ms part of Oceanography:Activities
Roman de Jesus, Fullerton College
Students are often confused by the concepts of stable isotope signatures and conventional notation. This activity is designed to introduce students to the del notation (isotopic signature), fractionation, and end ...