Karl Wirth is an igneous petrologist, geochemist, and Associate Professor of Geology at Macalester College. His research interests are concerned primarily with the origins of igneous rocks and the chemical evolution of the Earth's crust and upper mantle.
Website Content Contributions
Using An M&M Magma Chamber To Illustrate Magmatic Differentiation part of Petrology:Teaching Examples
Fractional crystallization by gravity settling can be illustrated using a model magma chamber consisting of M&M's®. In this model, each major cation (e.g., Si, Ti, Al, Fe, Mg, Ca, Na, K) is ...
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Karl Wirth part of Metacognition:Workshop 08:Participant Essays
Learning About Thinking and Thinking About Learning: Metacognitive Knowledge and Skills for Intentional Learners by Karl Wirth, Department of Geology & Center for Scholarship and Teaching, Macalester College In ...
Karl Wirth part of Affective Domain:Workshop 07:Workshop Participants
Dept. of Geology, Macalester College Homepage ( This site may be offline. ) What are the key issues related to the role of the affective domain in teaching geoscience that you would like to engage at the workshop? ...
Conference Presentations (4)
Assessing the Reasoning Component of Citizen-Level Science Literacy: Results and Implications from an 18,000 Student Study part of Rendezvous 2015:Program:Abstracts
We report results from a brief 25-item Science Literacy Concept Inventory (SLCI), which is a valid and reliable assessment instrument for addressing core concepts of citizen-level science literacy. The SLCI focuses ...
Other Contributions (6)
What are Students Learning in Your Course? Strategies for Assessment part of Rendezvous 2015:Program:Mini Workshops:Assessment
What do we mean when we ask if students have "learned" something? Are some kinds of assessments better suited for specific kinds of learning? What are the purposes of assessing learning? This workshop ...
Central Section, Geoscience Education Research Division