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    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

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    3-104-BungeeJumping-ModelingScenario
    In this project, students design a bungee jumping cord (cross-sectional area and length) that will keep jumpers safe. Students communicate their recommendations as a letter to a client interested...

    Keywords: designfallingmassspring\bungeeelesticityrecommendationconsult

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    1-015-DimensionlessVariables-TechniqueNarrative
    This material introduces the idea of ``rescaling'' for ordinary differential equations (ODE's) by the use of dimensionless variables. In practice this is an extremely common and useful prelude to...

    Keywords: linearizationdimensional analysistime scalescalingdimensionless variablesspatial scale

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    Taking the Hassle out of Hasselbalch
    Mention pH in a classroom and you can almost see the inner yawn on the faces of your students. The definition may even roll easily from their lips. However, despite multiple exposures to the...

    Keywords: pHdrug uptakeHenderson-Hasslbalch equationmedical applicationspKa

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    The Pipeline CURE: An Iterative Approach to Introduce All Students to Research Throughout a Biology Curriculum
    Participation in research provides personal and professional benefits for undergraduates. However, some students face institutional barriers that prevent their entry into research, particularly...

    Keywords: epigeneticsundergraduate researchmendelian inheritanceSelf-EfficacyCUREsnature of scienceResiliencecurriculum strategiesreprogramming

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    What the Mendel
    Students practice hypothesis testing using Mendelian genetics for monohybrid and dihybrid crosses. Both corn and Wisconsin Fast Plants are employed.

    Keywords: geneticsplantsmendelian inheritancephenotypecotelydoncornWisconsin fast plants

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    Investigating Primary Productivity
    In this 3-part investigation, students discuss, make predictions, and work with data about global scale net primary productivity.
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    Making toast: Using analogies to explore concepts in bioinformatics
    Module using analogies to introduce students to genomics

    Keywords: bioinformaticsgenomicsworkflowNIBLSECourseSourceanalogiesbioinformatics workflows

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    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

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    A Hands-on Introduction to Hidden Markov Models
    In this Lesson, we describe a classroom activity that demonstrates how a Hidden Markov Model (HMM) is applied to predict a eukaryotic gene, focusing on predicting one exon-intron boundary. This HMM...

    Keywords: transcriptionexonintronsplicing

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    Creating a Deeper Understanding of Big Geospatial Data, Volunteered Geographic Information (VGI), and Community Science using Project Eddie Modules
    This module uses the Project Eddie Module Assessing the Risk of Invasive Species Using Community Science Data developed by Heard, M. J. (2023) to create a deeper understanding of big geospatial...

    Keywords: GISInvasive SpeciesGeospatial ScienceProject EDDIEgeographyCitizen and Community Sciencegeographic information sciencevolunteering

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    Supersized Life: Comparing Across Scales
    How wide is the size range of living beings, from "big" to "too small to see"? Students will collect and compare measurements from 3D specimens within the metric system by multiplying or dividing...

    Keywords: paleontologyBiodiversitytechnology in biologynatural history collectionsmiddle grades (4-9)3D models3D printingWhole Numbers & Place ValueMIDDLE SCHOOL MATH#NGSSscientific measurementscale and proportions

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    Advancing Global Learning Through a Collaborative Online International Learning (COIL) Module on the United Nations Sustainable Development Goals (UN SDGs)
    An increasingly interconnected world presents opportunities for globally relevant curricula in the classroom. Implementing collaborative online international learning (COIL) modules within...

    Keywords: Collaborative Online International LearningGlobal LearningPlants and SocietyUnited Nations Sustainable Development GoalsMedicinal PlantsPhytochemicalsPlant Natural Products

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    Landscape Indicators:Nutrients and Macroinvertebrates
    Modification of the Investigating Human Impacts on Stream Ecology Module to emphasize landscape indicators and incorporate inclusive practices.
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    Exploring Data with BISON
    A module to explore aggregated observation and collection information, through BISON, or Biodiversity Information Serving Our Nation (https://bison.usgs.gov), a tool for visualizing GBIF data.

    Keywords: Querying databasesdata in the classroombiodiversity informaticsnatural history collectionsGBIFBISON

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    Critical Zone Science Part II
    As part of our effort to model the redwood forest water budget, we used the InTeGrate Unit 5.2 to put numbers to pathways.
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    Bioinformatics: CpG Islands
    This is an introductory bioinformatics exercise intended for use in a genetics course.

    Keywords: geneticsepigeneticsbioinformaticsNIBLSEcpggenome database

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    What Shapes a River: Field Lesson
    This lesson introduces students to field methods and theoretical concepts regarding the factors that shape river environments and ecosystems. Introductory material is followed by instruction in...

    Keywords: substrateRiver Field Studies Network Fluvial GeomorphologyWolman Pebble CountBankful FlowSediment Transport.

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    The importance of citizen science in researching snow with Dr. David Hill
    David Hill is a professor at Oregon State University and a National Geographic Explorer. He discusses with us why citizen science is important and how he incorporates it into his own research.

    Keywords: citizen science

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    Lichen Niches and Distributions Lab Activity
    This is a 2-part lab activity based on the EREN-NEON Flexible Learning Project: Lichens in Diverse Landscapes. Students conduct field surveys of lichen abundance near their homes and explore...

    Keywords: linear regressionGISNEONair qualityNational Ecological Observatory NetworkLichenfield based methodsEREN lichenairpollution

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