Introductory Statistics: Concepts, Models, and Applications
The book, Introductory Statistics: Concepts, Models, and Applications, presented in the following pages represents over twenty years of experience in teaching the material contained therein. The high price of textbooks and a desire to customize course material for my own needs caused me to write this material. This Web text and associated exercises is a continuing project. Check back often for updates.
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Biofilms: Online Manual
This on-line collection of exercises can be conducted to illustrate the formation and properties of microbial biofilms. Activities include: A Biofilm Primer, An Interesting Paradox, Build a Biofilm Reactor, Bring 'em Back Alive, Buccal Epithelial Cells & Bacterial Cells: Negative Staining, Buried Slide Technique, Dental Biofilms, Flow Through Gram Stain, Microbial Fishing, Pellicle Formation in a Hay Infusion, Rhizosphere Visualization, Microbial Leaching of Copper Ore, Build a Winogradsky Colum
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Hundred Board Activities 2
Students use "magic" to navigate around the hundred board. This activity introduces horizontal arrows which mean move one square in the direction the arrow points and vertical arrows which mean move up or down one row in the direction the arrow points. These activities support students as they develop understanding of powerful number patterns in the hundred board: (1) moving across or back one space means adding or subtracting one from the starting number; (2) moving up or down one row means add
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Math Tours: Fractions
Students need many concrete experiences with fractions to develop a deep understanding of the three models of fractions: area, linear and set models. Teachers need to address all three models in well-designed instructional activities so that students develop a rich concept of fractions that they can use to make sense of numbers, operations, measurement and probability. The Math Tours include: activities, problem solving, games, writing to learn, templates, math-literature connections, and web li
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Midpoint Theorem (Coordinate Geometry)
An interactive applet and associated web page that demonstrate how to find the midpoint of a line segment when the coordinates of the endpoints are given. The applet has two points on a Cartesian plane. As the user drags either point it continuously recalculates the midpoint of the line segment defined by them. The midpoint is shown both on the plane and as a continuously changing formula. The grid, axis pointers and coordinates can be turned on and off. The midpoint calculation can be turned of
Author(s): John Page

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Intersecting straight lines. (Coordinate Geometry)
An interactive applet and associated web page that show how to find the intersection of two straight lines, given the equation for each. The applet sows two lines defined by two pairs draggable points. As any point is dragged the equations for the lines are derived and the point of intersection calculated. The web page shows worked examples using various line slopes, equation forms and unusual conditions, such as one line being vertical. The grid, axis pointers and coordinates can be turned on a
Author(s): John Page

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Intercept (b) of a line (Coordinate Geometry)
An interactive applet and associated web page that demonstrate the intercept (b) of a line. The applet has two points that define a line. As the user drags either point it continuously recalculates the intercept, the point where the line crosses the y-axis at x=0. Can be used in conjunction with the slope to derive the equation of a line. The grid, axis pointers and coordinates can be turned on and off. The intercept calculation can be turned off to permit class exercises and then turned back on
Author(s): John Page

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Equation of a line - point - slope form. (Coordinate Geometry)
An interactive applet and associated web page that demonstrate the equation of a line in point-slope form. The user can move a slider that controls the slope, and can drag the point that defines the line. The graph changes accordingly and equation for the line is continuously recalculated with every slider and / or point move. The grid, axis pointers and coordinates can be turned on and off. The equation display can be turned off to permit class exercises and then turned back on the verify the a
Author(s): John Page

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Equation of a line - slope and intercept form. (Coordinate Geometry)
An interactive applet and associated web page that demonstrate the equation of a line in coordinate geometry. The equation is in the form y=mx+b. The user can move two sliders that control a and b. The graph changes accordingly and equation for the line is continuously recalculated with every slider move. The grid, axis pointers and coordinates can be turned on and off. The equation display can be turned off to permit class exercises and then turned back on the verify the answers. The applet can
Author(s): John Page

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Distance between points
An interactive applet and associated web page that demonstrate how to find the distance between two points with given coordinates. The applet has two points on a Cartesian plane. As the user drags either point it continuously recalculates the distance between them. The distance is shown both on the plane and as a continuously changing formula. The grid, axis pointers and coordinates can be turned on and off. The distance calculation can be turned off to permit class exercises and then turned bac
Author(s): John Page

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Two perspectives on slavery: A comparison of personal narratives
Students will read and analyze personal narratives written by two North Carolinians: Mary Norcott Bryan and William Henry Singleton. The authors’ lives share many parallels; both were born and grew up on plantations in New Bern during the 1830s and 1840s, both experienced the hardships of the Civil War, and both wrote their “recollections” in the early 20th century, looking back on their lives in North Carolina. However, Bryan was the white daughter of a wealthy slaveholder, while Singleto
Author(s): Dayna Durbin Gleaves

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River City Project
As visitors to River City, students travel back in time, bringing their 21st century skills and technology to address 19th century problems. With funding from the National Science Foundation, we have developed an interactive computer simulation for middle grades science students to learn scientific inquiry and 21st century skills. River City has the look and feel of a video game but contains content developed from National Science Education Standards, National Educational Technology Standards, a
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General Physics I, Summer 2009
This course is the first of a two-part introductory general physics course intended for non-physics majors. Doing well in this course does not require you to be a “genius”, but you will have to think about the physical concepts in order to understand them and you will have to apply these ideas in order to solve computational problems. To accomplish the former, all you really need is your brain (in good working order) and the willingness to use it. To accomplish the latter, you will need s
Author(s): Earl Skelton

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General Physics II, Spring 2009
This course is the second of a two-part introductory, calculus based, general physics course intended for non-physics majors. The course is designated to train you in a wide variety of problem-solving skills that you will be able to transfer far beyond this physics course. Doing well in this course does not require you to be a “genius”, but you will have to think about the physical concepts in order to understand them and you will have to apply these ideas in order to solve computational p
Author(s): Earl Skelton

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Econometrics
This is a project to develop a document for teaching graduate econometrics that is "open source", specifically, licensed as GNU GPL. That is, anyone can access the document in editable form, and can modify it, as long as they make their modifications available. This allows for personalization, as well as a simple way to make contributions and error corrections. The hope is that people preparing to teach econometrics for the first time might find it useful, and eventually be motivated to contribu
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Hindsight
Welcome to Hindsight, an online history project that will transport you back to New York City on May 8, 1970. Your mission is to determine what happened on that day, and what meaning it might hold for us today. Our site uses the web's characteristics to foster historical inquiry -- you will navigate through multiple sources of evidence, explore diverse perspectives, and make connections within this "web" of material. The site is part archive, part essay, and part interactive exhibit.
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A Look Back at Braddock
A Look Back at Braddock District is a local history, the story of a rural region in the heart of Fairfax County, Virginia, transformed over time into a sprawling suburb of Washington, DC. The memories of more than 50 Northern Virginia residents are captured in oral histories. Photographs, documents, maps and artifacts amplify these personal experiences and document growth and change in the area. The site offers lesson plans and activity ideas as well as other resources in a database. Explore ta
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Drosophila
Discover and apply principles of genetic inheritance by studying the inheritance patterns of fruit flies in a virtual environment. You will work on a virtual lab bench from which you can order fruit fly mutants from a web merchant, mate the flies in an incubator, anesthetize flies for observation, examine flies under a microscope, and analyze the data from offspring to determine patterns of inheritance. Your task is to propose hypotheses, design experiments, and analyze and interpret the data fr
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Software Engineering for Web Applications
Teaches basics of designing a dynamic web site with a database back end, including scripting languages, cookies, SQL, and HTML with the goal of building such a site as the main (group) project Emphasizes computer-human interface and the graphical display of information. Crucial to the project is the identification of a client with whom the group must work with throughout the month, designing specifications, implementing them, reviewing and evaluating, and testing. This is a real-life client who
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Naming Triangles
In this exercise you will name triangles.
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