# SSAC Physical Volcanology 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).

**[Nine modules have been created and implemented in courses. They are undergoing a final round of edits and will be posted momentarily.]**

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- XY Scatterplot 9 matches

## Graphs and Charts

Results 1 - 9 of **9 matches**

How Do We Estimate Magma Viscosity? part of Examples

SSAC Physical Volcanology module. Students build a spreadsheet to examine how magma viscosity varies with temperature, fraction of crystals, and water content using the non-Arrhenian VFT model.

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Subject: Natural science:Chemistry, Earth science, Physics

Excel Skills: Basic Arithmetic:Nested Formulas, Graphs and Charts:XY Scatterplot:Multiple Plots, Log Scale, One Plot, Other Elementary Math Functions:LN, LOG, LOG10

Bubbles in Magmas part of Examples

SSAC Physical Volcanology module. Students build a spreadsheet and apply the ideal gas law to model the velocity of a bubble rising in a viscous magma.

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Subject: Natural science:Physics, Earth science, Chemistry

Excel Skills: Basic Arithmetic:Arithmetic Functions:PRODUCT, SUM, Angles and Trig Functions:PI, Graphs and Charts:XY Scatterplot:Multiple Plots

Porosity and Permeability of Magmas part of Examples

SSAC Physical Volcanology module. Students build a spreadsheet for an iterative calculation to find volume of bubbles and hence porosity, permeability and gas escape as a function of depth.

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Subject: Natural science:Earth science, Physics

Excel Skills: Basic Arithmetic:Arithmetic Functions:SUM, Graphs and Charts:XY Scatterplot:Multiple Plots, Basic Arithmetic:Simple Formulas, Nested Formulas, Angles and Trig Functions:PI

What is the Volume of the 1992 Eruption of Cerro Negro Volcano, Nicaragua? part of Examples

SSAC Physical Volcanology module. Students build a spreadsheet to calculate the volume a tephra deposit using an exponential-thinning model.

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Subject: Social science:History, Natural science:Earth science, Physics

Excel Skills: Other Elementary Math Functions:EXP, LN, Basic Arithmetic:Arithmetic Functions:PRODUCT, Other Elementary Math Functions:POWER, Graphs and Charts:XY Scatterplot:One Plot, Trendlines

What is the Relationship between Lava Flow Length and Effusion Rate at Mt Etna? part of Examples

SSAC Physical Volcanology module. Students use Excel to determine a log-log relationship for flow length vs effusion rate and compare it with a theoretical expression for the maximum flow length.

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Subject: Natural science:Earth science

Excel Skills: Other Elementary Math Functions:LOG, LOG10, Basic Arithmetic:Nested Formulas, Graphs and Charts:XY Scatterplot:One Plot, Trendlines, Log Scale, Graphs and Charts:XY Scatterplot

How Does Surface Deformation at an Active Volcano Relate to Pressure and Volume Change in the Magma Chamber? part of Examples

SSAC Physical Volcanology module. Students build a spreadsheet to examine and apply the Mogi model for horizontal and vertical surface displacement vs. depth and pressure conditions in the magma chamber.

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Subject: Natural science:Physics, Earth science

Excel Skills: Basic Arithmetic:Nested Formulas, Simple Formulas, Angles and Trig Functions:PI, Graphs and Charts:XY Scatterplot:Multiple Plots, Log Scale

How Do We Estimate Melt Density? part of Examples

SSAC Physical Volcanology module. Students build spreadsheets to estimate melt density at high temperatures and pressures from the thermodynamic properties of silicates.

Subject: Natural science:Earth science, Chemistry, Physics

Excel Skills: Basic Arithmetic:Arithmetic Functions:SUM, Basic Arithmetic:Simple Formulas, Graphs and Charts:XY Scatterplot:Multiple Plots

How are Flow Conditions in Volcanic Conduits Estimated? part of Examples

SSAC Physical Volcanology module. Students build a spreadsheet to calculate velocity of rising magma in steady-state Plinian eruptions using conservation of mass and momentum.

Subject: Natural science:Chemistry, Physics, Earth science

Excel Skills: Angles and Trig Functions:PI, Basic Arithmetic:Simple Formulas, Graphs and Charts:XY Scatterplot:Multiple Plots

What is the Volume of a Debris Flow? part of Examples

SSAC Physical Volcanology module. Students build a spreadsheet to estimate the volume of volcanic deposits using map, thickness and high-water mark data from the 2005 Panabaj debris flow (Guatemala).

Subject: Natural science:Physics, Social science:Geography, History, Business, economics and finance :Economics, Natural science:Earth science

Excel Skills: Graphs and Charts:XY Scatterplot:One Plot, Basic Arithmetic:Simple Formulas