You are here: Home / Resources / Browse Resources

Open. Adaptable. Free.

Resources created by our members and partners.

The QUBES platform hosts hundreds of teaching materials, reference materials, and cloud-based software free to use and adapt using open Creative Commons licenses.

Text Search:
Applied Filters
    1988-Michael Intriligator-Dagobert Brito-A Predator-Prey Model of Guerrilla Warfare
    The authors present a three variable: numbers of guerrillas, numbers of regular (government) soldiers, and size of population controlled by the guerrillas, at time t), nonlinear system of three...

    Keywords: combat modelguerrilla warfaregovernment

    138

    views

    49

    downloads

    0

    comments

    0

    adaptations

    1994-T_Gruszka-A_Balloon_Experiment_in_the_Classroom
    The experiment consists of dropping a balloon from two different heights and recording the time it takes to hit the floor. The following experiment involves a balloon, a stopwatch, and a...

    Keywords: differential equationsresistancegravityfree fallaccelerationballoon

    129

    views

    44

    downloads

    0

    comments

    0

    adaptations

    Using the Project EDDIE Sustainability Metrics module in Exploring Earth
    Students use GapMinder, an interactive data exploration and visualization tool, to assess human impact on Earth systems. Using the impact = population x affluence x technology (IPAT) framework...

    Keywords: sustainabilityProject EDDIE

    447

    views

    411

    downloads

    0

    comments

    0

    adaptations

    Implicit Bias in Data Visualization (BIOME 2022 presentation)
    We want to build cooperative spaces where students can improve the quality of their work in iterative ways. However, are we sure that students will rate each other in unbiased ways. We will take...
    421

    views

    529

    downloads

    0

    comments

    0

    adaptations

    2-001-NumericalMethodsComparisons-TechniqueNarrative
    This material teaches the basics of numerical methods for first order differential equations by following graphical and numerical approaches. We discuss the order of accuracy of the methods and...

    Keywords: Euler's methodimproved Euler's methodRK3 methodsRK4 methodsorder of accuracyabsolute errorCPU time

    352

    views

    146

    downloads

    0

    comments

    0

    adaptations

    1-039-StochasticPopModels-ModelingScenario
    We develop strategies for creating a population model using some simple probabilistic assumptions. These assumptions lead to a system of differential equations for the probability that a system is...

    Keywords: Probabilitypopulation dynamicsVarianceMeanstochasticdeterministic

    359

    views

    133

    downloads

    0

    comments

    0

    adaptations

    1-045-TimeOfDeath-ModelingScenario
    Students are asked to determine the time of death given both environmental temperature situations and two observations of body temperature under several different circumstances.

    Keywords: body masstemperaturedeathNewton's Law of Coolingbody temperature

    311

    views

    176

    downloads

    0

    comments

    0

    adaptations

    1-050-BargingAhead-ModelingScenario
    As captain of a barge, you need to determine how fast to transport your barge up river against the current in order to minimize the expended energy.

    Keywords: optimizationkineticsenergytrophic efficiencyworkriverterminal velocityfrictioncurrentforcebargeworlkspeed

    463

    views

    253

    downloads

    0

    comments

    0

    adaptations

    1-063-ThreeHoleColumnOfWater-ModelingScenario
    We consider a column of water with three holes or spigots through which water can exit and ask students to model the height of the column of water over time.

    Keywords: fallingcolumn of waterTorricelli's Lawmultiple spigotsspigots

    188

    views

    171

    downloads

    0

    comments

    0

    adaptations

    1-090-EmptySphericalTank-ModelingScenario
    We model the emptying of water from a spherical tank. First, we pump out water at a constant rate. Second, we allow the water to exit through a small hole in the bottom of the tank. We seek to...

    Keywords: VolumesphereTorricelli's Lawtimingspherical tankfluidempty

    226

    views

    223

    downloads

    0

    comments

    0

    adaptations

    1-122-SpreadPEV-ModelingScenario
    We present data on world sales data of plug-in electric vehicles (PEVs) and request a model on the rate of change in sales over time, leading to prediction as to number of PEVs in the future.

    Keywords: datalogisticpredictionspreadplug-in vehiclePEV

    227

    views

    119

    downloads

    0

    comments

    0

    adaptations

    3-013-WhiffleBallFall-ModelingScenario
    We are given data on the time and position of a whiffle ball as it falls to the ground. We attempt to model the falling ball and we confront the different resistance terms and models.

    Keywords: Akaike Information CriterionresistancegravityFree Body Diagramforcefalling objectWhiffle ball

    262

    views

    216

    downloads

    0

    comments

    0

    adaptations

    5-022-ColdPill-ModelingScenario
    A model for the flow of a cold pill drug through the gastrointestinal compartment to the bloodstream compartment of a human subject is proposed. Students solve the system of differential equation...

    Keywords: ratesmedicinedrug discoverycompartmentcold pillgastrointestinalbloodstream

    271

    views

    128

    downloads

    0

    comments

    0

    adaptations

    6-030-SaltAndTorricelli-ModelingScenario
    We build on a model for the height of a falling column of water with a small hole in the container at the bottom of the column of water. We use data from one video of a falling column of water.

    Keywords: whole picturetankmixingflowcolumn of watersalt mixinggraduated cylinderapertureTorricelli's Law

    215

    views

    119

    downloads

    0

    comments

    0

    adaptations

    7-020-ThermometerInVaryingTempStream-ModelingScenario
    We present a first order differential equation model for the temperature of a mercury thermometer which is sitting in a stream of water whose temperature oscillates. We suggest a solving strategy...

    Keywords: temperaturesteady statethermometerheat exchangetransfer functionphase lagInvers Laplace Transform

    228

    views

    164

    downloads

    0

    comments

    0

    adaptations

    1-108-PoissonProcess-ModelingScenario
    In this project students learn to derive the probability density function (pdf) of the Poisson distribution and the cumulative distribution (cdf) of the waiting time. They will use them to solve...

    Keywords: Probabilitysstochastic processesPoisson processwaiting timearrival

    226

    views

    126

    downloads

    0

    comments

    0

    adaptations

    Digital Herbarium Lab with RStudio: Are shifting abundances of native species detectable over time?
    This 2- to 3-hour lab activity introduces sophomore-level students to digitized herbarium collections, R-coding, and potential reasons for shifting abundances in native and non-native plant species...

    Keywords: data analysistool:rstudionatural historyplant biologyinvasive plantsherbariumnative plantsdigitized natural history collectionsR code

    1349

    views

    822

    downloads

    0

    comments

    0

    adaptations

    Biodiversity, Big Data, and the Fossil Record
    In this lab, we will be making and testing hypotheses about how the biodiversity of groups of organisms may vary through time.

    Keywords: digital resourcesnatural history museumspaleobiology

    2549

    views

    350

    downloads

    0

    comments

    0

    adaptations

    How does increasing atmospheric carbon dioxide disrupt ecological systems? Results from FACE experiments across the globe.
    This module synthesizes key findings from forested CO2 enrichment experiments over the last 3 decades. Students should have a basic working knowledge of climate change, ecosystem nutrient cycles...
    1550

    views

    683

    downloads

    0

    comments

    0

    adaptations

    The Power of Data Standards
    Investigate data standards within the context of the Alpine Chipmunk and the Grinnell Study.

    Keywords: data in the classroomdata standardsdigitized natural history collectionsBLUE Fall 2019 FMNGrinnell

    1926

    views

    533

    downloads

    0

    comments

    0

    adaptations

    Close

    Home

    Search