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
    2010-Soetaert-EtAl-Solving Differential Equations in Rd SIMIODE Draft (5)
    Here we give a brief overview of differential equations that can now be solved by R.

    Keywords: solving

    91

    views

    38

    downloads

    0

    comments

    0

    adaptations

    2010-Singh-Mishra-athematical modeling approach to study growth rate of grassroots technological innovations
    In this paper we have proposed a simple mathematical model by using ordinary differential equation to know the spread rate of technological innovations in rural India.

    Keywords: logisticexponentialsigmoidtechnological innovationsasymptoticspread of innovation

    122

    views

    35

    downloads

    0

    comments

    0

    adaptations

    2007-Graham-Lerch-Parameter Recovery for a Differential Equation Model
    This article presents a project for a differential equations class using an inverse problem based on the second order differential equation that models and electrical circuit.

    Keywords: laboratorydata collectionRLC circuitinvers problemelectrical circuit

    107

    views

    29

    downloads

    0

    comments

    0

    adaptations

    2008-Brian_Winkel-Fourier_Series-Optimization_Opportunity
    We discuss the introduction of Fourier series as an immediate application of optimization of a function of more than one variable.

    Keywords: optimizationdiscoveryFourierFourier seris

    144

    views

    45

    downloads

    0

    comments

    0

    adaptations

    2008-Keith_Landry-Brian_Winkel-Peak_Frequency_Responses_and_Tuned_Mass_Dampers
    We present two applications of systems of ordinary differential equations concerning excitation of a structure through resonance and (1) peak frequency responses with stabilization of the...

    Keywords: vibrationresonancetuned mass damperpeak frequency responseexcitation

    138

    views

    33

    downloads

    0

    comments

    0

    adaptations

    5-001-LSD-ModelingScenario
    We describe the use of a two compartment model of a linear system of first order linear differential equations to model lysergic acid diethylamide (LSD) in the body. We provide the data from the...

    Keywords: LSDSpanishcompartmentpharmacokineticslysergic acid diethylamide

    1101

    views

    5237

    downloads

    0

    comments

    0

    adaptations

    1-007-AntTunnelBuilding-ModelingScenario
    We pose the prospect of modeling just how long an ant takes to build a tunnel. With a bit of guidance students produce a model for the time it takes to build a tunnel of length x into the side of a...

    Keywords: Spanishhormigatúnelanttunnel

    853

    views

    890

    downloads

    0

    comments

    0

    adaptations

    5-012-LinearSystemConjecture-TechniqueNarrative
    Students go from the solution for y'(t) = k*y(t) to a natural extension to the solution conjecture of a system of two constant coefficient, homogeneous, linear differential equations introducing...

    Keywords: discovery learningconjecturesolutionsubstitution

    373

    views

    130

    downloads

    0

    comments

    0

    adaptations

    2-005-LinearizeItAll-TechniqueNarrative
    Linear approximations are often used to simplify nonlinear ordinary differential equations (ODEs) for ease in analysis. The resulting linear approximation produces an ODE where closed form...

    Keywords: computationerrorTorricelli's Lawdata fittinglinear approximation

    369

    views

    113

    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

    340

    views

    146

    downloads

    0

    comments

    0

    adaptations

    1-051-OneTankSaltModel-ModelingScenario
    A large tank initially contains 60 pounds of salt dissolved into 90 gallons of water. Salt water flows in at a rate of 4 gallons per minute, with a salt density of 2 pounds per gallon....

    Keywords: compartmentsalttankmixingflow

    264

    views

    160

    downloads

    0

    comments

    0

    adaptations

    Are you learning R? Suggestions to help you as you learn.
    Learning how to code and analyze data in R is an important skill. Olivia Tabares and the Ecological Forecasting Education Working Group created this resource to encourage individuals who are...

    Keywords: R code

    585

    views

    128

    downloads

    0

    comments

    0

    adaptations

    Understanding Restriction Enzyme Digests
    Prior to submitting genomic DNA for sequencing, SEA students perform a restriction endonuclease digest with several enzymes, which provides a fast and cost-effective way of quickly screening...
    983

    views

    962

    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

    1331

    views

    811

    downloads

    0

    comments

    0

    adaptations

    Hewlett Foundation - Bates Final Evaluation Report 2021
    Evaluation findings of Hewlett Foundation award to Bates College

    Keywords: QUBES HubSTEM EvaluationSCORE Network

    851

    views

    245

    downloads

    0

    comments

    0

    adaptations

    All About Cod For Grade 2
    This activity uses data from The Cod's Tale by Mark Kurlansky to engage students in summarizing data in a table and bar graph.

    Keywords: fishNIMBiosBar GraphsGrade 2AdditionSubtractionword problemsfish harvestingsimple data plots

    974

    views

    450

    downloads

    0

    comments

    0

    adaptations

    2019 EDSIN Conference Proceedings
    Bringing Conversations on Diversity and Inclusion in Data Science to the Ecological and Environmental Sciences, was a 3-day conference hosted at the UCAR's Center Green in Boulder, Colorado, April...

    Keywords: data scienceEquityenvironmental sciencediversityinclusionconference proceedingsEnvironmental Data Science Inclusion Network

    1015

    views

    244

    downloads

    0

    comments

    0

    adaptations

    Exploring Functions for Common Phage Proteins
    This resource is designed to help students better understand the functions of common structural and enzymatic phage proteins, and to relate these functions to phage structure using electron...
    1111

    views

    1786

    downloads

    0

    comments

    0

    adaptations

    Setting Up Nonparametric Tests
    This swirl lesson will show you how to rearrange your data within R from one that shows a multiple factor design (2 x 2) to a single factor (4 levels) to allow for data analyses that require...
    1402

    views

    746

    downloads

    0

    comments

    0

    adaptations

    Module 3: Transcription, Part II: What Happens to the Initial Transcript Made by RNA pol II?
    This module teaches about the three key steps that are involved in converting the pre-mRNA into a mature mRNA: 1) The addition of a 5’ cap, 2) The addition of a 3’ poly(A) tail, 3) The removal of...

    Keywords: geneticsmolecular biologyGenome BrowsergenomicssplicingmRNAcDNA5' Cap3' Poly(A) TailRNA Maturation

    1094

    views

    1723

    downloads

    0

    comments

    0

    adaptations

    Close

    Home

    Search