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Modeling molecules is solids, liquids, and gases

Posted May 12, 2021 by mbuhl

This model simulates intermolecular forces and lets people change the temperature using a slider. At high temperatures, you can see the molecules fly around as a gas, with occasional collisions. With lower temperatures they condense to a liquid, and even lower they freeze to a solid.

Natural Selection Prey and Predator

Posted May 14, 2021 by sgibbs

This post includes a link to a model that can be used with the OpenSciEd Bacteria Food Hunt Unit net logo simulation.

Locating the Epicenter of an Earthquake Lesson

Posted February 28, 2020 by wellina

Identify the location of an earthquake epicenter using a travel time graph and three seismograph tracings. The epicenter is the point on Earth's surface directly above an earthquake. Seismic stations detect earthquakes by the tracings made on seismographs. Tracings made at three separate seismic stations are needed to locate an earthquake epicenter.

Emergence video

Posted July 27, 2018 by sgibbs

A portion of a PBS NOVA video discussing the concept of emergence (or complex adaptive systems) where patterns emerge in nature where agents follow simple rules.

Complex Adaptive Systems Modeling Video

Posted July 27, 2018 by turtle

This short video (3:13 minutes) introduces complex adaptive systems and agent-based modeling concepts to middle-school students. It shows beautiful footage of birds flocking as an example of a complex adaptive system.

The Greenhouse Effect

Posted July 27, 2018 by sgibbs

A short video on the basics of the greenhouse effect, used in CS in Science, Module 2 (Greenhouse gas model).

Silver Nitrate Production video

Posted July 27, 2018 by sgibbs

A short video showing "Silver Production from Silver Nitrate using a Copper Pipe" - used if wet lab activity not available for CS in Science Module 4 (Chemical Reactions)

Pair Programming video

Posted July 27, 2018 by turtle

This short video (2:51 minutes) features two middle school girls describing and practicing pair programming. It is a great introduction to this method of learning programming and creating models.

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