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Abstract
Do you ever go camping with your family and roast hot dogs and marshmallows over a campfire? If you want your campfire to burn long into the evening, what is the best wood to use? Do research on the necessary conditions/materials to sustain a fire and on the properties of different types of wood. Which properties do you think will be most important for determining how fast the wood burns? For example, how do you think density would be related to burning rate? Why? Measure the density and burning rate of equal-sized samples of different types of wood. For controlled burning conditions, you can either use a torch (with adult supervision) for a specified amount of time (weigh the samples before and after to determine burn rate), or place the wood samples over an evenly-spread bed of white-hot charcoal briquets (time the samples to determine burn rate). (Morgan, 2004; Johansen, 2005; Kelly, 2005)
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