Level of structuration of chemical concepts in students in the first semester of Petroleum Engineering in UPSE
DOI:
https://doi.org/10.26423/rcpi.v5i2.169Keywords:
UPSE, associations of terms, knowledge, Chemistry, studentAbstract
Approximately 60-65 students enters each year in the UPSE, aspiringto graduate as Petroleum Engineers. The analysis of associations of chemical terms in these students at the beginning of the course provides information about the degree of structuring of previous knowledge that they handle in the area of Chemistry. An instrument for evaluating word associations was applied to a group of 25 students from the first semester of the Petroleum Engineering Career, just on their first day in the classroom, in order to establish the level of structuring of previous knowledge in Chemistry that they bring from the High School. Very few statistically significant associations were detected, being the most relevant the identification of chemical elements; there are weaker associations linked around the concepts of the atom and dissolutions. The only cluster of associated terms is Potassium-Element-Metallic-Polar-Bond. The absence of bi-directionality in evoking terms suggests that knowledge is still poorly structured. The absence of significant associations with the meaning of mol makes clear the great difficulties that university student’s later show for stoichiometric calculations
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