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
    Nucleoplasmic Index
    This module introduces the nucleoplasmic index in the context of understanding how the volume of organelles and cell contents change during the cell cycle. It is intended for an introductory...

    Keywords: RatiosInterpreting GraphsCell StructureCell GrowthNucleoplasmic Index

    1685

    views

    281

    downloads

    0

    comments

    0

    adaptations

    Sizes of Organisms: The Surface Area to Volume Ratio
    This module introduces surface area-volume ratio in the context of understanding the limits or constraints on organism size. It is intended for an introductory biology audience.

    Keywords: RatiosstructureSurface AreabiomechanicsGeometryFunctionsVolumeOpenStax

    1336

    views

    310

    downloads

    0

    comments

    0

    adaptations

    Lung Capacity and Rhythms in Breathing
    This module introduces rhythmic inhaling and exhaling in the context of understanding trigonometry and sine waves. It is intended for an introductory biology audience.

    Keywords: Trigonometrysine wavesAnimal Physiology

    787

    views

    175

    downloads

    0

    comments

    0

    adaptations

    1999-Leonid_Hanin-Which tank empties first
    Suppose that water towers like those shown in the opening are initially filled with water and have the same volume, height, and cross-sectional outlet area. Which one empties first?

    Keywords: tankTorricelli's Lawspherical tankemptyfrustrum of conecylinder

    115

    views

    33

    downloads

    0

    comments

    0

    adaptations

    Making “sense” out of surface area to volume relationships
    Using a multimodal approach, the non-linear aspect of the surface area to volume relationship is explored. Students use their their senses of taste and sight to determine how smaller cells and...

    Keywords: active learningintroductory biologycell biologyquantitative skillskinesthetic learningLDC2023

    379

    views

    352

    downloads

    0

    comments

    0

    adaptations

    Why are Cells Small? Surface Area to Volume Ratio
    This module explores surface area to volume ratios in a cube and sphere in relation to cell size.

    Keywords: introductory biologygraphingRatiosOpenStaxqbccmanipulate equationsCellular and Molecular BiologyUse elementary functionsCreate graphsInterpret graphsRates and ProportionsSolving Equations and Inequalitiesinterpret tables

    2096

    views

    1151

    downloads

    0

    comments

    0

    adaptations

    2017-Suebcharoen-Analysis of a Predator-Prey Model with Switching and Stage-Structure for Predator
    This paper studies the behavior of a predator-prey model with switching and stage-structure for predator.

    Keywords: stage structurepredatorpreybifurcationswitching

    268

    views

    56

    downloads

    0

    comments

    0

    adaptations

    2017-Jean-Roux-Mathematical Models in Air Quality Problems
    Presents many models with analysis in air quality control. Starts with chemical kinetics models and builds complexity to PDE models.

    Keywords: air pollution effects on forest ecosystemsfinite volume methodboundary layerchemical kineticsfinite differenceemissionsdepositionsadvection

    172

    views

    68

    downloads

    0

    comments

    0

    adaptations

    1-014-DrainingContainers
    Given two rectangular circular cylinders of water with the same volume, but different radii, with a small bore hole of same radius on the center of the bottom through which water exits the...

    Keywords: containerstankflowTorricelli's Lawdrainingfixed volume

    272

    views

    116

    downloads

    0

    comments

    0

    adaptations

    Emergency Water Supply (Grades 6-8)
    This classroom lesson presents students with the task of determining how much water their school would to store in case of an emergency disaster.
    1547

    views

    719

    downloads

    0

    comments

    0

    adaptations

    The Perfect Brew: An Activity Demonstrating Cell Counting and Hemocytometer Use
    In this activity, students will explore the use of a hemocytometer for counting cells, demonstrate the relationship between the grid seen in the microscope with volume of liquid in suspension and...

    Keywords: RatiosmicrobiologyqbccCellular and Molecular BiologyUnderstanding fractionsconverting unitschanging scalesmeasurements

    1225

    views

    699

    downloads

    0

    comments

    0

    adaptations

    The Perfect Brew: An Activity Demonstrating Cell Counting and Hemocytometer Use
    In this activity, students will explore the use of a hemocytometer for counting cells, demonstrate the relationship between the grid seen in the microscope with volume of liquid in suspension and...

    Keywords: RatiosmicrobiologyqbccCellular and Molecular BiologyUnderstanding fractionsconverting unitschanging scalesmeasurements

    1900

    views

    1191

    downloads

    0

    comments

    1

    adaptations

    Buffer Preparation
    This Excel workbook calculates the necessary components to create a buffer solution using the Henderson-Hasselbalch equation.

    Keywords: buffer solutionacidbase

    22

    views

    2

    downloads

    0

    comments

    0

    adaptations

    1-026-Evaporation-ModelingScenario
    We provide data on evaporation of 91% isopropyl alcohol in six different Petri dishes and one conical funnel and on evaporation of water in one Petri dish. We ask students to develop a...

    Keywords: evaporationconealcoholPetri dish

    324

    views

    238

    downloads

    0

    comments

    0

    adaptations

    Web Popgen
    A Hardy-Weinberg simulation program.

    Keywords: Hardy-Weinbergpopulation geneticscomputer simulationsGenetic DriftmutationNatural Selection

    1992

    views

    327

    downloads

    0

    comments

    0

    adaptations

    Drivers of Avian Local Species Richness: Continental-Scale Gradients, Regional Landscape, or Local Land Cover?
    Experiment included in Teaching Issues and Experiments in Ecology (TIEE) Volume 8

    Keywords: ecologyResources @ ESA - TIEEspecies richness

    1325

    views

    189

    downloads

    0

    comments

    0

    adaptations

    Changes in Lake Ice: Ecosystem Response to Global Change
    Data Set included in included in Teaching Issues and Experiments in Ecology (TIEE) Volume 3

    Keywords: Resources @ ESA - TIEE

    1570

    views

    239

    downloads

    0

    comments

    5

    adaptations

    2004-Aldo_Rescigno-On the use of pharmacokinetic models
    In this paper I will define in a simple and logical way a set of useful pharmacokinetic parameters and show how their estimation depends on the assumed model.

    Keywords: compartmentsteady statepharmacokineticsvolume distribution

    98

    views

    28

    downloads

    0

    comments

    0

    adaptations

    1-059-ContainerShapeFallingWater-ModelingScenario
    We examine many different physical situations to determine the time it takes a fixed volume of water to flow out of different shape containers through the same size exit hole at the bottom of the...

    Keywords: containersTorricelli's Lawshapedischarge coefficient

    235

    views

    154

    downloads

    0

    comments

    0

    adaptations

    1-036-NeutralBuoyancy-ModelingScenario
    An object may hang suspended at, say, ten foot depth in a column of water if at ten feet underwater the density of the object equals the density of water. We study this phenomenon

    Keywords: DensitybuoyancyArchimedes’ Principlefloatneutral buoyance

    138

    views

    57

    downloads

    0

    comments

    0

    adaptations

    Close

    Home

    Search