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
    1-137-SheepGraze-ModelingScenario
    In this activity, students will apply graphical analysis (such as phase lines) to determine the long-term predictions of a differential equation model for pasture grass using two different formulas...

    Keywords: herbivoreplantphase linesbifurcationoverexploitationsheepgraze

    192

    views

    206

    downloads

    0

    comments

    0

    adaptations

    1-114-EarthClimate-ModelingScenario
    In this modeling scenario, we investigate the Earth's climate using a zero-dimensional energy balance model. Energy balance models are climate models that try to predict the average surface...

    Keywords: climateenergytemperaturelinearizationphase linesenergy balance modelroot finding

    251

    views

    248

    downloads

    0

    comments

    0

    adaptations

    1-134-LanguageDynamics-ModelingScenario
    Students will be introduced to a mathematical model for language dynamics. Specifically, the model describes the change in the fraction of a population speaking one language over another.

    Keywords: languagecompartmentphase linesbifurcationswitching

    175

    views

    115

    downloads

    0

    comments

    0

    adaptations

    1-190-IntroClass-ModelingScenario
    Students go through development of ideas in mathematical modeling with differential equations. They encounter fundamental ideas of unlimited population growth, limited population growth and a...

    Keywords: population dynamicspredator-preylogisticexponentialgraphical interpretationsqualitative analysis

    255

    views

    210

    downloads

    0

    comments

    0

    adaptations

    1969-Israelsson-Johnsson-Phase-shift in Geotropic Oscillations a Theoretical and Experimental Study
    The paper studies geotropical induced phase-shifts in circumnutations (turning) of Helianthus annus hypocotlys.

    Keywords: plantoscillationdelaycircumnutationturning

    150

    views

    37

    downloads

    0

    comments

    0

    adaptations

    2003-Rasmussen-Keynes-Lines of Eigenvectors and Solutions to Systems of Linear Differential Equations
    The purpose of this paper is to describe an instructional sequence where students invent a method for locating lines of eigenvectors and corresponding solutions to systems of two first order linear...

    Keywords: instructional designeigenvalueseigenvalue analysis

    141

    views

    41

    downloads

    0

    comments

    0

    adaptations

    6-022-CannibalismPredatorPrey-ModelingScenario
    The Lotka-Volterra model tells us that the prey and predator exhibit a shifted cyclic behavior over time. In this module, we look at modifying this prey-predator model to consider the case when...

    Keywords: stabilitypredator-preyequilibriaoscillationscannibalismphase planesspiral sinks

    322

    views

    485

    downloads

    0

    comments

    0

    adaptations

    2003-Fay-Graham-Coupled spring equations
    Coupled spring equations for modelling the motion of two springs with weights attached, hung in series from the ceiling are described.

    Keywords: spring massoscillationHooke's Lawcoupled springsperiodicforcing functionphase portrait

    100

    views

    58

    downloads

    0

    comments

    0

    adaptations

    5-002-RelationshipDynamics-ModelingScenario
    The different possible dynamics of a two-person romantic relationship are modeled -- as a linear two dimensional system of equations -- and analyzed.

    Keywords: love affairRomeo and Juliet

    202

    views

    356

    downloads

    0

    comments

    0

    adaptations

    2006-Michael_Coleman-Population Modeling with Ordinary Differential Equations
    We will investigate some cases of differential equations population models beyond the separable case and then expand to some basic systems of ordinary differential equations.

    Keywords: population dynamics

    134

    views

    38

    downloads

    0

    comments

    0

    adaptations

    Glycolysis Can Be Fun: Rediscovering Glycolysis as a Problem-Solving Introduction to Metabolism
    A thorough understanding of glycolysis forms a foundation for students to analyze subsequent topics in metabolism, a core competency recognized by multiple national societies for biology and...

    Keywords: Problem based learningPOGILenzymesGlycolysisMetabolismFermentationchemical reactionsCard sorting activityCofactors

    464

    views

    21

    downloads

    0

    comments

    0

    adaptations

    5-015-RunnersSynchronize-ModelingScenario
    In this modeling scenario we practice finding and classifying equilibria of a one-variable differential equation. We do this in the context of a phase model which is often a simpler way of studying...

    Keywords: predatorAutonomous equationsoscillationcoupled oscillatorsynchronyrunnerpreyKuramato model

    185

    views

    209

    downloads

    0

    comments

    0

    adaptations

    Does Organelle Shape Matter?: Exploring Patterns in Cell Shape and Structure with High-Throughput (HT) Imaging
    Organelle structure has been studied and visualized for decades; however, publicly available databases that use improved high-throughput microscopy of gene-edited cell lines have recently...

    Keywords: modelingcase studymicroscopystructureOrganellesHigh-throughput (HT)Endoplasmic Reticulum (ER)Fluorescent microscopyHuman Cell Biology

    4658

    views

    464

    downloads

    0

    comments

    0

    adaptations

    Data Analysis Recitation Activities Support Better Understanding in SEA-PHAGES CURE
    Course-based undergraduate research experiences (CUREs) are widely known to improve student learning outcomes in the sciences. Undergraduate students have a particularly difficult time interpreting...

    Keywords: bacteriophageDNA extractionGel analysisPhage purificationTiter calculationViral replicative growth

    1442

    views

    728

    downloads

    0

    comments

    0

    adaptations

    2004-Jones-Song-Thomas-Controlling wound healing through debridement
    In this article, a system of differential equations that models slough/wound interaction is developed.

    Keywords: bacteriawound healinghealingderidingisocline

    124

    views

    48

    downloads

    0

    comments

    0

    adaptations

    2003-Fay-Graham-Coupled spring equations
    Coupled spring equations for modelling the motion of two springs with weights attached, hung in series from the ceiling are described.

    Keywords: massoscillationspring\coupled springsperiodicfporcing

    121

    views

    44

    downloads

    0

    comments

    0

    adaptations

    1-139-PlantsVsHerbivores-ModeliongScenario
    In this activity, students will apply a variety of techniques for analyzing nonlinear systems (e.g., nullclines, linearization, and technologies for drawing phase portraits) to study...

    Keywords: ecologynullclinesherbivoreplant-herbivore interactionsplantlinearization

    271

    views

    275

    downloads

    0

    comments

    0

    adaptations

    6-011-HumansVsZombies-ModelingScenario
    Students analyze the SIR differential equations model in the context of a zombie invasion of a human population. Students analyze a two equation system representing only two populations, humans...

    Keywords: zombiesinfectionSIR models

    262

    views

    149

    downloads

    0

    comments

    0

    adaptations

    Venom: To Kill or Cure?
    In this case study, students will explore concepts of evolution, protein structure and function, taxonomy, and methods of scientific inquiry in a real-world way.

    Keywords: EvolutionphylogeneticsidigbioAP Biologytaxonomynatural history collections3D modelsoVertVenomsnakesherps

    903

    views

    430

    downloads

    0

    comments

    0

    adaptations

    Linkage Analysis
    This Excel workbook simulates a linkage analysis problem with up to four alleles. Based on the offspring produced by a multihybrid testcross, the user builds a model of the gene order,...

    Keywords: recombinationlinkage analysis

    28

    views

    3

    downloads

    0

    comments

    0

    adaptations

    Close

    Home

    Search