This short activity provides an intuitive introduction to earthquake magnitude using an …
This short activity provides an intuitive introduction to earthquake magnitude using an everyday item--spaghetti. Learners are introduced to the earthquake magnitude scale by breaking different amounts of uncooked noodles. Visual scale of the pasta emphasizes the relative differences between magnitudes with each whole step in magnitude. For older students, the demonstration helps students understand why seismologists use the nonlinear logarithmic scale to best graph the huge range of quantities.
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Spreadsheets Across the Curriculum module/Geology of National Parks course. Students calculate percentages …
Spreadsheets Across the Curriculum module/Geology of National Parks course. Students calculate percentages and percent differences to compare various measures of fumaroles, mud pots, hot springs and geysers in this introduction to hydrothermal features at Yellowstone NP.
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This is a laboratory-style investigation wherein students examine the petrography and major-element …
This is a laboratory-style investigation wherein students examine the petrography and major-element geochemistry of 6 samples of mid-ocean ridge basalt and related differentiated lavas recovered from the Cleft segment of southern Juan de Fuca Ridge, a medium spreading-rate MOR in the northeast Pacific Ocean. Lava types range from basalt to dacite.
After some initial background information on basalts, the MOR environment, and the study area students investigate four thin sections, beginning with typical basalts and ending with a dacite. They are led through a series of directed questions that help them gain familiarity with commonly occurring minerals and textures in mid-ocean ridge lavas. Questions direct students toward the interpretation of quench-related textural features and crystallization sequence, as well as a few other textural observations and petrographic techniques. After proceeding through the initial four thin sections and associated questions student are then asked to undertake "full thin-section descriptions" of the remaining two samples.��
After investigating the thin-sections and determining a possible crystallization sequence from the petrographic data gathered (plagioclase followed by olivine followed by augitic clinopyroxene followed by pigeonite), students examine a P-T phase diagram to constrain possible pressures of formation. Discovering that crystallization pressures were low (less than ~ 0.75 GPa) students then examine a phase diagram of the olivine-plagioclase-augite-quartz system (olivine-quartz-augite ternary, projected from the plane of plagioclase saturation) [Walker, 1979]. Students draw 2 possible liquid lines of descent (LLD) onto the diagram, and then use their petrographic observations to qualitatively plot the samples along that LLD, determining a relative sequence of chemical evolution for the suite of samples. Lastly, given those determinations, student graph the major element data for the lava suite to infer paths of chemical evolution and the effects of fractional crystallization (possibly coupled with magma mixing).
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Students learn about the basic principles of electromicrobiology—the study of microorganisms’ electrical …
Students learn about the basic principles of electromicrobiology—the study of microorganisms’ electrical properties—and the potential that these microorganisms may have as a next-generation source of sustainable energy. They are introduced to one such promising source: microbial fuel cells (MFCs). Using the metabolisms of microbes to generate electrical current, MFCs can harvest bioelectricity, or energy, from the processes of photosynthesis and cellular respiration. Students learn about the basics of MFCs and how they function as well as the chemical processes of photosynthesis and cellular respiration
The purpose of this task is for students to select 2 numbers …
The purpose of this task is for students to select 2 numbers from a set of 3 that sum to 9. The task can be completed for sums equaling any number. Teachers may choose to ask students to write the simple equations they select.
Using string, bubble gum, and a model of a GPS station, demonstrate …
Using string, bubble gum, and a model of a GPS station, demonstrate how GPS work to pinpoint a location on Earth.Precisely knowing a location on Earth is useful because our Earth's surface is constantly changing from earthquakes, volcanic eruptions, tectonic plate motion, landslides, and more. Thus, scientists can use positions determined with GPS to study all these Earth processes.
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Haz tu propia pintura de tiza para la acera.Actividad de Bolsa de …
Haz tu propia pintura de tiza para la acera.Actividad de Bolsa de STEM Semanal. Agentes de Colorado Americorp en los condados de Araphahoe, Denver, Garfield, Larimer y Weld. Trabajo apoyado por la Corporación para el Servicio Nacional y Comunitario bajo el número de subvención 18AFHCO0010008 de Americorps. Las opiniones o puntos de vista expresados en esta lección pertenecen a los autores y no representan necesariamente la posición oficial o una posición respaldada por la Corporación o el programa Americorps.
This Western Mining History database uses Mineral Resources Data System to list …
This Western Mining History database uses Mineral Resources Data System to list known Colorado historical mines by county. Each county site has links to the known mines within its borders. Some are known and named, others are unnamed. Mines should be assumed to be on private property unless other research is conducted. Data provided for each mine site include: Name, State, County, Elevation, Primary Mineral Mined, Latitude and Longitude and a link to Google Maps. Photos are provided where available. Additional information for some Mines are satellite photos, and ownership, business and historical records. Mining History is an historical site that provides information on mining, mining towns, the gold and silver rush, and Photos and maps of the western United States. This is a great database for student historical research or data and statistics classes. Consider becoming a member or making a donation to help further the work of the site.
This is an exercise in projecting planar contacts onto a topographic map. …
This is an exercise in projecting planar contacts onto a topographic map. The students create a geologic map, cross section and topographic profile, and write a brief interpretation.
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Plankton to Plastic Pollution STEM Kit. The Natural Sciences Education & Outreach …
Plankton to Plastic Pollution STEM Kit. The Natural Sciences Education & Outreach Center collaborates with CSU faculty, National Parks and citizen science programs to translate their current scientific research into unique STEM experiences for students in the form of Educational Kits that can be checked out. Each kit contains just about all of the materials needed (minus common things like water and paper towels) to explore some really interesting scientific research topics. The kits are available for teachers and informal educators in Colorado to check out for a duration of a week by submitting either a local pickup form or a delivery form available at the linked website. Please use the contact information on the STEM Kit overview page to learn more. https://www.cns-eoc.colostate.edu/stem-kits/ This kit is provided free for educational use. This resource is also available in Spanish in the linked file.
Students use a variety of data sets (bathy DEMs, SRTM DEMS, earthquake …
Students use a variety of data sets (bathy DEMs, SRTM DEMS, earthquake data, volcano data, ocean floor ages, and motion vectors) to 1) determine the locations and types of plate boundaries in the complex region between the Pacific and Australian Plates, 2) create a topologically valid plate map of the region (which identical to making a geologic map in ArcMap, so it teaches them how to make a geologic map as well), 3) make a poster presentation with a cartographically complete map and illustrated rationale for plate boundaries, and 4) do an extension on plotting strike and dip data in ArcMap. You might also be interested in our Full GIS course with links to all assignments.
This lesson is part of Software Carpentry workshops and teach an introduction …
This lesson is part of Software Carpentry workshops and teach an introduction to plotting and programming using python. This lesson is an introduction to programming in Python for people with little or no previous programming experience. It uses plotting as its motivating example, and is designed to be used in both Data Carpentry and Software Carpentry workshops. This lesson references JupyterLab, but can be taught using a regular Python interpreter as well. Please note that this lesson uses Python 3 rather than Python 2.
In this activity, students develop and apply linear, exponential, and rational functions …
In this activity, students develop and apply linear, exponential, and rational functions to explore past and projected U.S. population growth, carbon footprint trend, ecological overshoot, and effectiveness of hypothetical carbon dioxide reduction initiatives.
SSAC Physical Volcanology module. Students build a spreadsheet for an iterative calculation …
SSAC Physical Volcanology module. Students build a spreadsheet for an iterative calculation to find volume of bubbles and hence porosity, permeability and gas escape as a function of depth.
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As densely populated urban areas continue to expand, human activity is removing …
As densely populated urban areas continue to expand, human activity is removing much-needed greenspaces from our communities; in turn, we are also removing critical buffers that are needed to combat air and water pollution, leaving cities vulnerable to a variety of health issues and potential infrastructure damage. In August of 2017, the Greater Houston area experienced a catastrophic flooding event, with Hurricane Harvey being designated as the wettest tropical cyclone ever recorded in US history. With many areas receiving 40" or more of rain, the rising flood waters had nowhere to go in a city covered in concrete, a barrier to natural infiltration. This caused over $125 billion in damage, with flood waters inundating hundreds of thousands of homes and displacing more than 30,000 people. In 2018, Katy High School responded by restoring an acre of public campus property to native Texas Gulf Coast prairie. The prairie will ultimately serve as an outdoor classroom for students, a greenspace for community outreach, and also as a natural retention area for future flooding events. Urban greenspaces, like the KHS Tiger Prairie, are mini-ecosystems that can potentially mitigate billions of dollars in flood damages while conserving precious habitats for native species; these pocket prairies not only model of conservation best-practices, but they also provide multiple, quantifiable ecoservices to communities. The KHS Tiger prairie will serve as a model for this activity, allowing students the opportunity to calculate the quantifiable cost-savings of incorporating native landscapes in their communities. Students will analyze recent precipitation and infiltration data, make predictions on which locations in urban areas have the most potential for restoration, and reflect on the societal and economic barriers to current conservation efforts.
Acting as civil engineers hired by the U.S. Department of Transportation to …
Acting as civil engineers hired by the U.S. Department of Transportation to research how to best use piezoelectric materials to detect road damage, student groups are challenged to independently create their own experiment procedures, working with given materials and tools. The general approach is that they set up model roads using rubber mats to simulate asphalt and piezoelectric transducers to simulate the in-ground road sensors. They drop heavy bolts at various locations on the “road,” collecting data and then analyzing the voltage changes across the piezoelectric transducers caused by the vibrations of the bolt hitting the rubber. After making notches in the rubber “road” to simulate cracks and potholes, they collect more data to see if the piezo elements detect the damage. Students write up their research and conclusions as if presenting evidence to USDOT officials about how the voltage changes across the piezo elements can be used to indicate road damage and extrapolated to determine when roads need maintenance service.
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