Text Search:
Applied Filters
    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...
    230

    views

    147

    downloads

    0

    comments

    0

    adaptations

    Conserving Water in a Time of Climate Change: What are the Benefits of Using Greywater on Household Gardens
    We were curious if there would be any simple way to decrease water use in communities because of the ongoing drought in California. To do this, we would use three different types of greywater,...
    382

    views

    90

    downloads

    0

    comments

    0

    adaptations

    Scientist Spotlights and Data Nuggets Workshop Materials (BIOME 2021)
    Materials and resources for the "Scientist Spotlights and Data Nuggets Workshop," presented at the 2021 Biology and Mathematics Educators (BIOME) Institute.
    1294

    views

    936

    downloads

    0

    comments

    0

    adaptations

    2012-Lensyl-Urbano-The Draining of a Plastic Bottle-Integrating a Physics Experiment into Calculus
    I punched a small hole (about 1mm radius) in a one gallon plastic bottle and had my students measure the rate at which water drained.
    109

    views

    37

    downloads

    0

    comments

    0

    adaptations

    2009-G_Recktenwald-Tank Draining Exercise
    This paper describe deep mathematics, including differential equations concerned with modeling the draining of tank and the shape of the water coming out the bore hole at the bottom of the tank of...
    122

    views

    43

    downloads

    0

    comments

    0

    adaptations

    2018-Chris McCarthy-Newtons Law of Cooling
    You have hot water (initial temperature ) in a container, say a cup or glass. The temperature in the room is cooler, say a constant degrees Celsius. Come up with a differential equation that models...
    163

    views

    50

    downloads

    0

    comments

    0

    adaptations

    7-040-TankInterruptMixing-ModelingScenario
    We present a first order differential equation model for the interrupted mixing of a tank with salt water. We offer two solution strategies (1) two step approach and (2) Laplace Transforms.
    318

    views

    266

    downloads

    0

    comments

    0

    adaptations

    Stream Discharge Module (Project EDDIE)
    Stream discharge is a fundamental measure of water supply in stream systems. Low discharge may cause problems with water supply and fish passage, while high discharge may mean flooding. In this...
    1253

    views

    340

    downloads

    0

    comments

    1

    adaptations

    Investigating human impacts on stream ecology: locally and nationally
    How does nutrient pollution impact stream ecosystems locally and nationally?
    1170

    views

    1292

    downloads

    0

    comments

    0

    adaptations

    Critical Zone Science
    My class used Water Balance of a Tree (Unit 5.1) to begin quantifying the fundamental pathways for water movement within a forest. The ultimate goal was to model transpiration of the redwood forest...
    996

    views

    161

    downloads

    0

    comments

    0

    adaptations

    Environmental Justice and Freshwater Resources
    This module enables students to identify the freshwater components of the hydrologic cycle and connect them to the basic need of all human beings for equal access to clean freshwater.
    1606

    views

    280

    downloads

    0

    comments

    0

    adaptations

    2000-deOlivera-Delfino-Costa-Leite-Pinhole Water Flow From Cylindrical Bottles
    The water flowing from the first bottle feeds the second one located below it. The same concepts of mass and energy conservation now lead to a non-trivial differential equation for the lowest...
    101

    views

    29

    downloads

    0

    comments

    0

    adaptations

    3-070-FallingInWater-ModelingScenario
    We model a small canister with ballast to keep it vertical as it falls through water in a graduated cylinder filled with water. We suggest several models in terms of resistance due to the media and...
    236

    views

    187

    downloads

    0

    comments

    0

    adaptations

    2004-Hill-Lozowski-Sampson-Experiments on ice spikes and a simple growth model
    We observed ice-spike growth using time-lapse digital photography, using two water types in two different containers.
    91

    views

    30

    downloads

    0

    comments

    0

    adaptations

    1-110-TidePoolSnails-ModelingScenario
    Students use linear differential equations to model temperature change, in a sand tide pool and inside the shell of a snail in the tide pool. We offer data on temperature in a tide pool as the...
    246

    views

    230

    downloads

    0

    comments

    0

    adaptations

    1-140-LeakyBucket-ModelingScenario
    We seek to model the height of water in a cylindrical tank (bucket) in which water flows out the bottom of the tank through a small bore hole while we are pouring water into the tank at the top...
    173

    views

    203

    downloads

    0

    comments

    0

    adaptations

    Oyster Restoration Success and Water Quality in the James and Rappahannock Rivers of Virginia
    This QUBES lesson uses statistical analysis to test whether or not oyster restoration sites in Virginia are successfully increasing the number of oysters and whether or not water quality is...
    810

    views

    1067

    downloads

    0

    comments

    0

    adaptations

    9-030-WaterHammer-ModelingScenario
    We develop and apply a numerical algorithm that solves a system of two nonlinear partial differential equations (PDEs) that describes the time evolution of the water hammer phenomenon.
    178

    views

    82

    downloads

    0

    comments

    0

    adaptations

    Plant Defenses and Bioprospecting Mini-case Study
    This narrative mini-case study for use in undergraduate ecology courses reviews plant defense theory within the context of bioprospecting. Students learn about factors affecting plant defenses and...
    1046

    views

    561

    downloads

    0

    comments

    0

    adaptations

    Investigating human impacts on local Hawaiian stream ecology
    Students learn about stream ecology on the island of Hawaii using data available through USGS and University of Hawaii websites and develop an understanding for potential stream changes due to...
    1305

    views

    547

    downloads

    0

    comments

    0

    adaptations