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    What is the purpose of this activity?



    To explore real world examples of exponential and logarithmic functions through modeling Newton's Law of Cooling.  You will analyze  the temperatures of an experiment and verify that the model applies to the data.

    The law states that the rate of cooling is proportional to the difference in temperature between the object and its surroundings.  This means that if the difference in temperature is great, the change in temperature will be fast, if the difference is small, the change in temperature will be slow.  This is a type of exponential decay, which is described in a logarithmic equation.  This means that, although the temperature of a body will get closer and closer to that of its surroundings, the two temperatures will never be equal.
    Graphic of the water cycle


    Developed by

    TEAM 3 (SHS)
    Copyright © 2001


    This project is supported, in part,
    by the 

    National Science Foundation

    Opinions expressed are those of the authors
    and not necessarily those of the National Science Foundation. 
    NSF