Category Algebra

Jul 11 2013

Phase Shifts – Effects on Thermal Conductivity

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What is thermal conductivity? The ability of a material to transfer heat energy via conduction.

While this is only the first trial, my task was to show that there is a significant drop in thermal conductivity of a material as it shifts from one phase to another. In this case, the sample shifts from a solid to a liquid around 18 oC. As you can see, the thermal conductivity is lower for temperatures higher than 18 oC. Cool huh?

When I am done, I will commit an entire page to show everything from beginning to end. Really I just want post the graph on twitter, but I know people will ask questions so….

Oct 17 2011

Khan Academy

While it is not new, Khan Academy is something worth sharing. Go to http://www.khanacademy.org/ to watch thousands of tutorials for free online.

Mar 8 2011

Translating Functions

Description: In this activity students learn about and practice how to translate functions, and identify translations from equations of functions.

http://media.mivu.org/mvu_pd/a4a/resources/translations/index.html

Mar 8 2011

Categorizing Patterns and Relationships

Description: In this activity students explore the characteristics of various function families by comparing the patterns in six different tables of values and identify which type of relationship is shown in each one.

http://media.mivu.org/mvu_pd/a4a/resources/categorizingpatterns/index.html

Mar 8 2011

Comparing Linear and Expontential Functions

Description: In this activity students compare linear and exponential models by listing their characteristics side-by-side in a table.

http://media.mivu.org/mvu_pd/a4a/resources/comparelinexp/index.html

Mar 8 2011

Lilly’s Mussels – A Modeling Exercise

Description: Apply a linear and exponential model to a small data set in order to explore the differences in growth pattern, depending on which model is selected.

http://media.mivu.org/mvu_pd/a4a/resources/mussels/index.html