Session S55b (Tuesday, 5:15pm, Willaman Gateway)

P622: Using animations to identify and resolve student misconceptions about particle position in physical changes

K. Christopher Smith, Savannah Villarreal (University of Texas – Pan American, USA)

Several misconceptions were uncovered after assessing 87 freshman general chemistry students on the concept of particle position during the reversible physical change of melting. An animation involving particulate models was shown and discussed in order to address the misconceptions. After viewing the animation, the students were assessed a second time, but this time on the concept of particle position during the reversible physical change of dissolving. Overall, the results of the assessments showed that the animation helped to address some of the misconceptions uncovered during the first assessment, although some misconceptions did remain after the animation. The misconceptions will be discussed in detail in this poster.

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