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Activity Number
219
Not Editable
Overview and Learning Objectives
Classroom Practice
Central Concepts
Macro Micro Link
Activity Credits
Requirements

Modeling a Gas: Thermal Equilibrium (5-page activity, 1-page has a problem)

Interactive, scaffolded model

Activity Screenshot

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This Activity Requires:

  • Java 1.4+ - Java 1.4+ is available for Windows, Linux, and Mac OS X 10.3 and greater.

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Overview and Learning Objectives

Students will be able to:

  • Demonstrate, using a computer model, that all initial states result in a similar equilibrium distribution of kinetic energies of atoms.
  • Predict what will happen given some random initial state of a computer model depicting a gas at the atomic level.
  • Describe what it means to be in a state of thermal equilibrium.
  • Define general equilibrium in very simple terms.

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Classroom Practice

Classroom support is available at: http://www.concord.org/~barbara/workbench_web/unit1/index.html

and

http://www.concord.org/~barbara/workbench_web/unit1/1-07ModelingAGas.html

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Central Concepts

Key Concept:

Continual movement of atoms results in motion that looks random and causes kinetic energy to be distributed evenly among the atoms in a gas.

Additional Related Concepts

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Macro Micro Link

Using the models in this activity students will begin to get an idea of how the air in the hot air balloon is behaving.

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Activity Credits

Created by CC Project: Molecular Workbench using Molecular Workbench + Pedagogica

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Requirements

  • Java 1.4+ - Java 1.4+ is available for Windows, Linux, and Mac OS X 10.3 and greater.

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Last Update: 11/25/2008 Maintainer: CC Web Team (webmaster@concord.org)
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These materials are based upon work supported
by the National Science Foundation under grant numbers
9980620, ESI-0242701 and EIA-0219345

Any opinions, findings, and conclusions or recommendations expressed in this
material are those of the author(s) and do not necessarily reflect
the views of the National Science Foundation.