Diffusion Model

Activity Instructions

Follow the following guide to become familiar with the model and to start discovering how particles behave.

1. Select the following settings on the model
   • Show-Direction?: On
   • Show-path?: Off
   • Number-of-Particles-on-Left: 50
   • Number-of-Particles-on-Right: 50
   • Barrier?: On
   • Number-of-Slits: 0
   • Temperature: 25
2. Press Setup
3. Observe what you see in black window
4. Press Go and observe what happens as the model runs
   • How do the particles interact with each other? The walls? The yellow barrier?
5. Start and stop the particles from moving by pressing the go button.
6. Change the settings of Show-Direction? and Show-Path? to see what happens.
   • What information can you can from these commands?
   • What are the pros and cons of having these options set to yes?
   • Pick the settings for these two commands that you prefer.