How Do I Use This Activity?

This activity allows the user to see the results of a fire if a forest is densely planted in a rectangular grid when directional probabilities are set.

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Controls and Output

• The Configure Probabilities button on the top-left corner of the applet pops up a box that allows you to choose what probability the fire will spread in each of eight directions.
  

• The resize to menu on the top center of the applet allows you to choose the size of the forest.
  

• The burn speed scroll bar allows you to choose the speed at which the fire will burn.
  

• The Tree Display is where you will need to click to select were the fire will start. Note: You can start the fire in as many places as you want by clicking on another tree. You can also deselect any tree by clicking on it a second time.
  

• To start the fire click the Start the fire button in the lower left corner of the applet. To step thru the fire step by step click the step thru fire button in the bottom center of the applet.
  

• The Re-grow Forest button revitalizes the forest after it has been burned. You must re-grow the forest after every fire.