Teaching the nitrogen cycle and human health interactions part of Geology and Human Health:Workshop 04:Activities
Margaret Townsend, University of Kansas Main Campus
This activity uses objects, pictures, and text in a matching game to define the nitrogen cycle and the environmental and human health impacts of nitrogen. The game can be used to associate useful and detrimental ...

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.

T-X Phase Diagrams part of Petrology:Teaching Examples
Dexter Perkins, University of North Dakota-Main Campus
This is a 15 page tutorial and problem set designed to get students familiar with T-X diagrams, their implications, and uses.

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 ...

Round Robin Field Methods Protocols for Improved Outcomes part of Hydrogeology:Hydrogeology, Soils, Geochemistry 2013:Activities
Todd Halihan, Oklahoma State University-Main Campus
This activity provides an approach to teach field methods that is programmed to avoid common pitfalls in teaching field methods to students. The two common problems that are avoided is familiarity with equipment ...

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 ...