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
    2013-Michael-Evans-Growth and Decay
    Sometimes, we can describe processes of growth and decay—whether physical, chemical, biological or sociological—by mathematical models.

    Keywords: exponential growthexponential decayisotopespopulationsresource depletion

    137

    views

    65

    downloads

    0

    comments

    0

    adaptations

    2015-Brian_Winkel-Informed_Conjecturing_of_Solutions_for_Differential_Equations_In_a_Modeling_Contex
    We examine (1) first order exponential growth or decay and (2) second order, linear, constant coefficient differential equations, and show the advantage of learning differential equations in a...

    Keywords: exponential growthsolutionslinear systemsdecayconjecture

    166

    views

    46

    downloads

    0

    comments

    0

    adaptations

    Half Life of mRNA
    This module introduces exponential growth and decay in the context of understanding the stability of mRNA. It is intended for an introductory biology audience.

    Keywords: exponential equationsGenetic Informationlogarithmic equationshalf-lifemRNA

    843

    views

    179

    downloads

    0

    comments

    0

    adaptations

    Nucleo-cytoplasmic Transport
    This module introduces exponential decay and the rate of influx in the context of understanding the transport of molecules from the cytoplasm to the nucleus. It is intended for an introductory...

    Keywords: exponential equationsCell StructureCell Growth

    800

    views

    156

    downloads

    0

    comments

    0

    adaptations

    1-002-Tossing-ModelingScenario
    We offer students simulation experience or data from a simulation and ask them to model the simulation using several approaches, to include exponential decay fit, difference equation, and...

    Keywords: Modeling and simulationexponentialdecaydice

    254

    views

    265

    downloads

    0

    comments

    0

    adaptations

    Teaching Exponential and Logistic Growth in a Variety of Classroom and Laboratory Settings
    Experiment included in Teaching Issues and Experiments in Ecology (TIEE) Volume 9

    Keywords: Resources @ ESA - TIEEpopulation growth

    1286

    views

    213

    downloads

    0

    comments

    0

    adaptations

    1-035-DotseroVolcanoEruption-ModelingScenario
    In this scenario, we use Carbon-14 dating of the Dotsero volcano in Colorado as a way of emphasizing this multistage process of modeling.

    Keywords: exponential decayhalf-lifedecayEuler's methodcarbon datingdecay rateCarbon-14Dotsero volcanovolcano

    281

    views

    220

    downloads

    0

    comments

    0

    adaptations

    1-116-TropicalStormWindspeeds-ModelingScenario
    We model the decay of tropical cyclone winds once a storm makes landfall. We use data from two recent storms from the National Hurricane Center to estimate parameters emanating from a differential...

    Keywords: hurricanedecaytropical stormcyclones

    252

    views

    281

    downloads

    0

    comments

    0

    adaptations

    1-024-MalariaControl-ModelingScenario
    This project offers students a chance to make policy recommendations based on the analysis of models using both linear (exponential decay) and non-linear (logistic growth) differential equations.

    Keywords: population dynamicsmalariaPolicyDecision-makingEuler's methodpharmacokineticsmosquitoimproved Euler's methodHuen's methodUS Army

    407

    views

    277

    downloads

    0

    comments

    0

    adaptations

    Pain Medication Treatment Modeling Project
    This classroom modeling project applies mathematical techniques to solve a problem related to drug dosage patterns. Suitable for high school or undergraduate students. Prerequisite: Calculus I.

    Keywords: Mathematical Biologycalculusexponential decayrecursionabsorptionelimination

    1860

    views

    513

    downloads

    0

    comments

    0

    adaptations

    1-001d-HotelPopulationDecay-ModelingScenario
    You will be modeling the following situation: 100 people are in a hotel. Each day, each person has a random chance of 50% of leaving the hotel. No new people enter the hotel. Before you run the...

    Keywords: simulationlogisticexponential decayfitting

    363

    views

    160

    downloads

    0

    comments

    0

    adaptations

    1-150-CancerTherapy-ModelingScenario
    This activity builds upon elementary models on population growth. In particular, we compare two different treatment models of cancer therapy where in one, surgery happens before therapy and in the...

    Keywords: population dynamicsphage therapyexponential growthcancerwater treatmentdecaysurgery

    446

    views

    357

    downloads

    0

    comments

    0

    adaptations

    1-160-HeartDeathRate-ModelingScenario
    Students simulate experience from a given data set which represents the heart death rate during the period 2000 - 2010 using several approaches to include exponential decay, difference equation,...

    Keywords: dataheart death rate

    256

    views

    320

    downloads

    0

    comments

    0

    adaptations

    Geoscience Methods and Resources for K-5 Pre-Education Majors
    : Exploring Geoscience Methods was an excellent capstone experience for Elementary Education Majors. The class I used this module with was 24 students of various backgrounds and academic...

    Keywords: geneticsvideosQUBESecologyResources @ HHMI - BioInteractiveMathematical Biologycalculusjavaorganismal biologyquantitative biologybioinformaticsneurosciencegenomicscancerSecondaryyoutubemicrobiomeFaculty Mentoring NetworksalamanderCapture mark-recaptureAudience level - Introductory UG - majorsAudience level - Introductory UG - non-majorsecosystemsgenetic basis of diseasebiology of cellshuman reproductionfood chainIntroduction to Modelingrandom number generatorPost-secondaryLower DivisionPossible TasksModeling ProjectBuildCompareEvaluateexponential decayrecursionabsorptionelimination

    1752

    views

    2390

    downloads

    0

    comments

    0

    adaptations

    Continuous Growth Models
    This Excel worksheet compares user-input growth data with predictions under linear, exponential, and logistic models of growth. Introduces concepts of statistical analysis that can be additionally...

    Keywords: exponential growthlogistic growthcurve fittinglinear growthgrowth models

    91

    views

    32

    downloads

    0

    comments

    0

    adaptations

    1-109-EmployeeAttrition-ModelingScenario
    This scenario models the loss of employees and the employer's attempt to retain them through stock options. It most naturally is solved with a first-order linear decay model with two populations.

    Keywords: populationlinear growthdecayemployeeattrition

    204

    views

    177

    downloads

    0

    comments

    0

    adaptations

    2016-Langtangen-Pedersen - Scaling of Differential Equations
    Nowadays, the greatest practical benefit of scaling is related to running numerical simulations, since scaling greatly simplifies the choice of values for the input data and makes the simulations...

    Keywords: scalingdimensionlesscontinuum mechanics

    156

    views

    60

    downloads

    0

    comments

    0

    adaptations

    2017-Ole_Witt-Hansen-Examples Of Differential Equations In Physics
    This is an article from the author’s homepage. The work contains fundamental and basic background and derivation of the differential equation models for a number of phenomena.

    Keywords: projectileair resistancefree falldragharmonic oscillation

    171

    views

    80

    downloads

    0

    comments

    0

    adaptations

    1-170-CensusModeling-ModelingScenario
    Students who have studied models for population are likely to be familiar with the exponential and the logistic population models. The goal here is to explore the role of modeling assumptions in...

    Keywords: logistic growthexponentialpopulationU.S. Census DataassumptionGoogle SheetsUnites StatesGuatemala

    300

    views

    580

    downloads

    0

    comments

    0

    adaptations

    Human population growth case study
    A case study on human population growth that includes Human-Environment Interactions (HEI) from the Ecological Society of America's 4 dimensional ecology teaching framework. Meant to be used in...

    Keywords: exponential growthlogistic growthhuman-environmental interactions

    264

    views

    185

    downloads

    0

    comments

    0

    adaptations

    Close

    Home

    Search