Text Search:
Applied Filters
    Interactions between Water, Earth’s Surface, and Human Activity
    This two-week (~10-hour) module focuses on water and its importance to humans, both as a limited resource and in shaping Earth's surface.
    1168

    views

    212

    downloads

    0

    comments

    0

    adaptations

    Access to Public Parks, Drinking Fountains, and Clean Public Drinking Water Across Income Brackets in the Bay Area
    Access to green space and clean drinking water can be unequally distributed in urban spaces, often associated with income inequality. Little is known about public drinking water and green space...
    884

    views

    77

    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...
    232

    views

    148

    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,...
    387

    views

    90

    downloads

    0

    comments

    0

    adaptations

    Make Your Move: Interpreting graphs of pollinator behavior
    In this lesson, students interpret graphs of pollinator movement behavior. Then, students view and reflect on an interview with community ecologist Dr. Suann Yang., who collected the data that they...
    3321

    views

    1477

    downloads

    1

    comments

    0

    adaptations

    3-040-FirstPassageTime-ModelingScenario
    We apply the notions of dampedness to second order, linear, constant coefficient, homogeneous differential equations used to model a spring mass dashpot system and introduce the notion of first...
    205

    views

    96

    downloads

    0

    comments

    0

    adaptations

    3-060-DataToDifferentialEquation-ModelingScenario
    Students use knowledge of second-order linear differential equations in conjunction with physical intuition of spring-mass systems to estimate the damping coefficient and spring constant from data.
    207

    views

    310

    downloads

    0

    comments

    0

    adaptations

    3-140-TwoSpringsOneMassFixedEnds-ModelingScenario
    Students build a model of a two spring, single mass with fixed end configuration and then plot solutions to experience the motion.
    179

    views

    131

    downloads

    0

    comments

    0

    adaptations

    4-050-ResonanceBeats-ModelingScenario
    We study what can happen when a pure oscillator (no damper) is driven by a forced vibration function which has the same or close to the same natural frequency as the system it is driving.
    169

    views

    180

    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.
    114

    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...
    123

    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...
    167

    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.
    325

    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...
    1266

    views

    341

    downloads

    0

    comments

    1

    adaptations

    Investigating human impacts on stream ecology: locally and nationally
    How does nutrient pollution impact stream ecosystems locally and nationally?
    1176

    views

    1295

    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...
    1001

    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.
    1614

    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...
    102

    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...
    238

    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.
    92

    views

    30

    downloads

    0

    comments

    0

    adaptations