Forces that create and shape bushfires
by Richard
Conan-Davies
3 March 2005
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Forces that create bushfires Lightning or electrical forces can start a bushfires. Chemical forces would include things like the changing of the oils in leaves into flame (combustion) Physical forces might include the very rapid movement of molecules(heat) in the leaves that act like a domino effect and casue near by leaves to heat up. Forces that shape a bushfire: The weather, wind speed for example, the humidity(very low air humidity) Forces that shape bushfires Physical forces that shape a bushfire include the slope of the ground physical barriers like firebreaks , rivers or lakes can stop or changethe direction of a bushfire. Other human factors like gas pipes that catch on fire in suburbs canburn down many houses. Chemical forces that shape a bushfire might inlcude the amount of oil in leaves, how many leaves there are ( volume or amount of leaves) |
 
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