In the first week of the course, students are introduced to the major groups of animals and single-celled eukaryotes that comprise most of the fossil record. At that time, each student selects one group (kingdom, phylum or class) of organism to be their special "pet" group for the rest of the semester. Several assignments are then tied to these groups, including this activity, which is a writing assignment directly following the class lectures on evolution and natural selection. Students are asked to use the scholarly article database GeoRef to locate a peer-reviewed journal article that describes research on the evolution of their "pet" group (or some specific member of it). After reading the article, students must write a 2-3 page summary and critique of it, applying concepts they have learned in the course to evaluate the scientific merits of the paper. If time permits, students are also invited to spend a few minutes presenting their summary and critique during class so that the students can learn about each other's "pets".

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This activity is designed for large freshman courses (>200 students) and is used in-class. The activity requires a short (15 minute) overview of Earth history before students have the opportunity to work through various questions and problems. Tasks include simple math problems, critical thinking questions, and include place-based examples of geological situations for Arizona and California.

Students completing the activity will have knowledge of Earth history, knowledge of some geological disasters, and will have learned several different perspectives of timescales that affect various events on Earth.

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A classroom/lab activity using the Paleobiology Database to produce and interpret diversity curves for various groups of important and popular extinct animals, such as trilobites, ammonites, and dinosaurs. Activity helps students appreciate ancient life, geological time, and the important of mass extinctions in shaping the history of life, and by extension the implications of current extinctions.
Outcomes:

Research how extinct animals lived, what they looked like, when they lived, and when they went extinct.
Observe the geological timescale, name three geological eras, and use them to understand geological time.
Name five major mass extinctions and relate them to the eras in which they occurred.
Use the Paleobiology Database to produce diversity curves for an important group of extinct animals.
Interpret graphs of diversity curves to understand the importance of mass extinctions in the history of life.
(Optional) Communicate results of study to peers in class. In the process, synthesize information on multiple extinct animal groups to better appreciate the importance of extinctions in earth history.

Many papers by Ken McClay and colleagues have established the value of scale-model experiments in understanding the evolution and geometries of extensional fault systems (e.g. T. Dooley and K.R. McClay, 1997, Analogue modeling of pull-apart basins: American Association of Petroleum Geologists Bulletin, v. 81, no.11, p. 1804 -- 1826).

There are few resources available that help students visualize the dynamic nature of faulting, especially the complex interplay of faults during growth and evolution of a fault system. Such an understanding is critical, however, if students are to think meaningfully about fault geometries and what they imply.

Conducting scale-model experiments in a class setting is useful, but very time-consuming, difficult for all students to see well, and very temporary, except for the end product. Accordingly, taking a cue from a movie produced by Ken McClay, I constructed a deformation apparatus, conducted and filmed several experiments conducted by McClay, and then produced QuickTime movies of the experiments. This approach makes it possible for students to observe an experiment in a minute or two that took 30-45 minutes to produce and to view the experiment repeatedly, so as to become very familiar with all that is taking place.

Individual frames from the movie provide a template on which students can identify the sequence of fault development, rotation of features, and cessation of motion on some faults as they become inactive. Requiring students to document their observations, establish a chronological sequence of events, and explain in writing what happens during the experiment results in an increased awareness of the faulting process.

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Many papers by Ken McClay and colleagues have established the value of scale-model experiments in understanding the evolution and geometries of extensional fault systems (e.g. T. Dooley and K.R. McClay, 1997, Analogue modeling of pull-apart basins: American Association of Petroleum Geologists Bulletin, v. 81, no.11, p. 1804 -- 1826).

There are few resources available that help students visualize the dynamic nature of faulting, especially the complex interplay of faults during growth and evolution of a fault system. Such an understanding is critical, however, if students are to think meaningfully about fault geometries and what they imply.

Conducting scale-model experiments in a class setting is useful, but very time-consuming, difficult for all students to see well, and very temporary, except for the end product. Accordingly, taking a cue from a movie produced by Ken McClay, I constructed a deformation apparatus, conducted and filmed several experiments conducted by McClay, and then produced QuickTime movies of the experiments. This approach makes it possible for students to observe an experiment in a minute or two that took 30-45 minutes to produce and to view the experiment repeatedly, so as to become very familiar with all that is taking place.

Individual frames from the movie provide a template on which students can identify the sequence of fault development, rotation of features, and cessation of motion on some faults as they become inactive. Requiring students to document their observations, establish a chronological sequence of events, and explain in writing what happens during the experiment results in an increased awareness of the faulting process.

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For this written assignment, the students outline the evolution of
whales from land dwelling animals to aquatic beasts. Rather than an
essay, they produce a detailed outline of the major modifications that
occurred during this transition, such as hearing, propulsion, shape,
limbs, and several others. They start with Start with Pakicetidae and
end with Mysticeti and Odontoceti lines. For each fossil species, they
describe the fossil, discuss the anatomic modification for living in an
aquatic environment, indicate the environment where the animal lived,
and the give the time range.

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Most students are familiar with the use of antibiotics and antibacterial products; most have heard in various contexts about the problem of bacterial populations becoming resistant to antibiotics over time.
We used this example, relevant to everyday life, to guide students to uncover the complexity of the underlying biological mechanism, and to "see" how the evolution principles they have learned are interconnected and apply to a specific case.

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In this three-part exercise, students study hand samples and thin sections of light-colored igneous minerals and related mineral species.

Part one - Box of Rocks: Students examine a tray of minerals and record their physical properties, composition, and habit. They note chemical and physical similarities and differences and why there are several varieties of minerals in each group.
Part two - Definitions: Define a list of terms relevent to the lab.
Part three - Minerals in Thin Section: Observe minerals in thin section and answer questions about them.

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Photo of a tree band at Penn State Brandywine, Media, PA

Provenance: Laura Guertin, Penn State Brandywine
Reuse: This item is offered under a Creative Commons Attribution-NonCommercial-ShareAlike license http://creativecommons.org/licenses/by-nc-sa/3.0/ You may reuse this item for non-commercial purposes as long as you provide attribution and offer any derivative works under a similar license.
The Smithsonian Institution's Global Tree Banding Project is a citizen science program that contributes to research about tree biomass by tracking how trees respond to climate. Students around the globe are monitoring the rate at which their local trees grow and learn how that rate corresponds to Smithsonian research as well as comparing the work to other students worldwide.
But at Penn State Brandywine, we are going beyond the requirements of the Smithsonian project. Instead of only taking two measurements in the spring and two measurements in the fall, undergraduate researchers are taking measurements every two weeks. We started taking measurements of ten trees on campus April 3, 2012, and we will continue until each and every tree outgrows its tree band. As a result, we have a rich database that not only contributes to scientific research but can serve as a foundation for student inquiry-based projects. The data is available for download in Google Spreadsheets for students to examine changes in tree diameter within one or between growing seasons, supplemented with temperature and precipitation data.

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In this inquiry based geologic field lab students will be estimating and measuring stream flow. Students will also map out a full scale live topography map of a dry streambed to help them estimate flow discharge. Students will use their journals to record their hypothesis, lab report questions, graphed data and evidence to backs up their observations.

This online article provides a firsthand report of Ernest Shackleton's epic 800-mile ocean crossing. In 1914, Shackleton planned to cross the continent of Antarctica from one sea to the other. One day's sail away from the continent, his specially constructed ship, the Endurance, was trapped in pack ice; 281 days later, crushed, the boat sank. The fifty-six-man crew survived as castaways on the ice for five months, after which Shackleton led them some 180 miles to the relative safety of Elephant Island. He and five men then embarked on an epic, 800-mile ocean crossing to South Georgia Island, the nearest inhabited area, in a twenty-two-foot lifeboat called the James Caird. This article is an account of that journey.

In this nine-part exercise, students download NOAA high resolution bathy/topo DEMs and TIGER census data to predict the location of shorelines, the extent of inundation, and the number of people affected by sea level rise as a result of global warming and tsunami in various parts of the coastal US; extensions include developing a Map Book report with data driven pages and locating Pleistocene land bridges. You might also be interested in our Full GIS course with links to all assignments.

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Students use an EPA data set of Nevada mines to evaluate proximity of mine sites to streams to choose priority water sampling sites to evaluate for possible contamination. Students export data to Google Earth to use satellite imagery to narrow the priority sites further. You might also be interested in our Full GIS course with links to all assignments.

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In this exercise, students process LiDAR data for the Hamilton College campus area to determine accurate elevations of wellheads of sampling wells on campus. Students use both GPS readings and orthophotos to determine wellhead locations and combine those with water levels, casing heights, and wellhead elevations to interpolate a groundwater surface under the campus and portray the groundwater in ArcScene. They also learn how to use Model Builder. You might also be interested in our Full GIS course with links to all assignments. You might also be interested in our webinar for the NYS GIS Association on A Simple Example of Working with LiDAR using ArcGIS and 3D Analyst.

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Using the question of how exercise and sporting events might be affected by climate, students are led to the basic questions of what causes climate change, how our climate might change, and what affect that might have on athletes and anyone undertaking strenuous exercise.

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Students do background reading on the atmosphere (see URLs below). The questions in this activity are divided up into atmospheric structure, stratospheric ozone, and acid rain. This activity helps students to understand the basic structure of the atmosphere as well as ozone and acid rain problems.

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This assignment is intended to have students use the map reading skills they have learned in previous labs and their understanding of the lower crust and upper mantle derived from classroom lectures and demonstrations to develop a three-dimensional picture the Southern Canadian Cordillera. I try to incorporate the notion of temporal change by asking students to describe the region at different times in the past and to speculate what the region would look like if certain tectonic events happened in the future.

Key words: tectonics, Cordillera,subduction, fold thrust belts

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This is a series of 5 assignments I assign outside of class time, with the purpose of getting students to explore the literature resources that are available for mineralogy. The inspiration for the exercises comes from my exasperation with the repeated questions: "Why do we have to know so many minerals?" and "What about these minerals do we have to know?" Rather than saying "Everything that is important," I hope to show students that what they need to know depends on what questions they hope to answer, and that mineralogy developed in historical context, parallel with other sciences.

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This module consists of a laboratory exercise and related homework problems on geochemical kinetics of mineral-solution reactions for undergraduate mineralogy. Students measure the grain sizes of equant halite crystals, and the time for complete dissolution of each grain. From these data, students retrieve a rate law, from several possible. Additional homework problems allow various chemical and physical transport processes in mineral-fluid systems to be evaluated.

The lab and homework illustrate several basic principles of chemical kinetics directly relevant to geology, including rate laws of reactions, diffusion, advective transport, and the relationship between rate-limiting mechanisms and crystal-surface morphology.

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Students read a short paper from the scientific literature on a narrowly focused mineralogical topic. Reading is guided by a 1-page set of questions and tasks, arranged in sequence with the paper, that make students look at the details of data, arguments, and conclusions. The tangible result is properly answered questions and typically some graphs, but the student gains a less tangible improved understanding of how to read scientific papers in general and an improved understanding of that particular paper in particular.

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