Interactive, scaffolded model
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The activity will work properly on Windows and OS 10.4+ with Java 5.0 updates installed.
Students experiment with a computer model to determine how mass affects diffusion of various gasses in a glass tube.
Students will be able to:
See questions 1 and 2 from the following pre/post-test:
This activity is one of a larger module: Atoms in Motion
In the context of the module, students will:
If mixed together, molecules with various masses will move at different speeds related to their mass.
Additional Related Concepts
Because of a problem with Flash, this does not currently work on most Macs.
Last Update: 12/07/2015
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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
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