An example OTrunk adaptation of the Molecular Workbench Heatflow activity by Bob Tinker.

Heatflow, Step 1

What does that red text coloring mean?

By Bob Tinker, Concord Consortium

Here are some games that will help you learn about kinetic energy.

The object of the first game is to turn the two open circles red. While you use the game, figure out what the red color represents.

You need to know:

  1. The balls represent atoms.
  2. You can apply force to the atom with the lines through it.
  3. Use the arrow keys to apply the forces.

Investigate the model.

Start the simulation, click inside the model, and try pressing the arrow keys.

Now try these challenges:

  1. Take a snapshot when the steered atom is white but the kinetic energy bar is all red.
  2. Repeat with ten or more atoms. Use the tools at the top of the model to add more atoms. Click once on a circle in the toolbar and then click inside the model container.
  3. Starting with all the atoms red, get them all white just by controlling the steered atom.

What does that red coloring mean?

How much kinetic energy is represented by a white atom?

What strategy did you use for challenge 3?

This adaptation of Step 1 ofthe Molecular Workbench Heatflow activity by Bob Tinker uses Concord Consortium's OTrunk framework. The actual molecular model is still an MW component but all the other activity content has been translated into OTrunk. To view the original activity start Molecular Workbench and load the following activity, Heatflow, Step 1: http://mw.concord.org/modeler1.3/part1/heatflow/Step1.cml.
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