# SSAC General Collection Modules

Following are short descriptions of the available modules. To access any of them, select from the list and you will connect to cover material including learning goals, context of use, and other information. Within the cover material (under "Teaching Materials") there is a link by which you can download the student version of the module. You can also request an instructor's version by clicking on the "request" link under Teaching Materials.

There are a couple of ways of searching for modules. The box below left provides a full-text search of the cover material about the module, so you can search by author, subject, or keyword. The controlled vocabularies below right allow targeted searches by three different dimensions (click on the links to see the full, hierarchical vocabularies): Math content (Quantitative Concept) (Microsoft Word 41kB Jun17 10), Context (Subject) (Microsoft Word 29kB Jul13 07), and Excel Skill (Microsoft Word 32kB Jul13 07).

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## Quantitative Concepts

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# Excel Skills

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Chaos in Population Dynamics -- Understanding Chaos in the Logistic Model part of Spreadsheets Across the Curriculum:General Collection:Examples
Spreadsheets Across the Curriculum module. Students build spreadsheets to explore conditions that lead to chaotic behavior in logistic models of populations that grow discretely.

Quantitative Concepts: Measurement; Data presentation and analysis; Probability:Descriptive statistics; trend lines :Goodness of fit (R2), Basic arithmetic; Number sense:Rates, Ratio and proportion; percentage; interpolation, Algebra; Modeling; Functions:Nonlinear functions of a single variable:Exponential function, Measurement; Data presentation and analysis; Probability:Descriptive statistics; trend lines :Line- and curve-fitting, Algebra; Modeling; Functions:Modeling:Forward modeling, Algebra; Modeling; Functions:Multivariable functions, Nonlinear functions of a single variable:Exponential (geometric) growth:Logistic function, Calculus; Numerical methods:Differential equations including difference equations, Iteration, Measurement; Data presentation and analysis; Probability:Visual display of data :XY scatter plots, Creating and manipulating tabular data
Subject: Natural science:Biology, Mathematics, statistics and computers:Mathematics
Excel Skills: Basic Arithmetic:Simple Formulas, Graphs and Charts:XY Scatterplot:One Plot, Multiple Plots, Basic Arithmetic:Nested Formulas

Introducing Endangered Birds to Ulva, NZ -- Modeling exponential and logistic growth of the yellowhead population part of Spreadsheets Across the Curriculum:General Collection:Examples
Spreadsheets Across the Curriculum module. Students build spreadsheets to model the growth in population of a species of birds introduced to an isolated island in New Zealand.

Quantitative Concepts: Measurement; Data presentation and analysis; Probability:Visual display of data :Reading graphs, XY scatter plots, Creating and manipulating tabular data, Algebra; Modeling; Functions:Nonlinear functions of a single variable:Exponential function, Basic arithmetic; Number sense:Rates:Rates of Change, Algebra; Modeling; Functions:Nonlinear functions of a single variable:Exponential (geometric) growth:Logistic function, Algebra; Modeling; Functions:Modeling:Forward modeling, Calculus; Numerical methods:Finding maximum/minimum, Differential equations including difference equations
Subject: Natural science:Biology
Excel Skills: Graphs and Charts:XY Scatterplot:One Plot, Basic Arithmetic:Nested Formulas, Simple Formulas

Predator-Prey Interactions -- Modeling the Number of Fishers and Porcupines in New Hampshire part of Spreadsheets Across the Curriculum:General Collection:Examples
Spreadsheets Across the Curriculum activity/Introductory Ecology course. Students build and manipulate spreadsheets to model and graph populations using the Lotka-Volterra predator-prey equations.

Quantitative Concepts: Measurement; Data presentation and analysis; Probability:Visual display of data :XY scatter plots, Basic arithmetic; Number sense:Rates:Rates of Change, Algebra; Modeling; Functions:Modeling:Forward modeling, Calculus; Numerical methods:Differential equations including difference equations, Creating and manipulating tabular data
Subject: Natural science:Biology
Excel Skills: Graphs and Charts:XY Scatterplot:One Plot, Basic Arithmetic:Simple Formulas, Graphs and Charts:XY Scatterplot:Multiple Plots, Basic Arithmetic:Nested Formulas

Radioactive Decay and Popping Popcorn -- Understanding the Rate Law part of Spreadsheets Across the Curriculum:General Collection:Examples
Spreadsheets Across the Curriculum module. Students build spreadsheets to forward model an example of exponential decay and interpret the meaning of the decay constant.

Quantitative Concepts: Measurement; Data presentation and analysis; Probability:Descriptive statistics; trend lines :Line- and curve-fitting, Goodness of fit (R2), Basic arithmetic; Number sense:Ratio and proportion; percentage; interpolation, Rates:Rates of Change, Measurement; Data presentation and analysis; Probability:Probability, Visual display of data :Logarithmic scale, Algebra; Modeling; Functions:Modeling:Forward modeling, Algebra; Modeling; Functions:Nonlinear functions of a single variable:Exponential decay, Measurement; Data presentation and analysis; Probability:Visual display of data :XY scatter plots, Basic arithmetic; Number sense:Units and Dimensions:Dimensions, Creating and manipulating tabular data, Calculus; Numerical methods:Differential equations including difference equations, Algebra; Modeling; Functions:Nonlinear functions of a single variable:Exponential function
Subject: Natural science:Physics, Chemistry
Excel Skills: Basic Arithmetic:Nested Formulas, Graphs and Charts:XY Scatterplot:One Plot, Trendlines, Basic Arithmetic:Simple Formulas