%0 Journal Article
%T Facilitating grade 11 students' conceptual understanding of fundamental acid-base models
%A Alipa£¿a Ayas
%A Fatma Yaman
%A Muammer £¿al£¿k
%J -
%D 2019
%X The purpose of this study was to enhance grade 11 students¡¯ conceptual understanding of fundamental acid-base models using Predict-Observe-Explain based animated movies (POE-AM). Twelve grade 11 students participated in the study. To collect data, the students¡¯ responses to the POE-AM tasks and interview protocols were used. The findings indicated that the POE-AM tasks positively improved the students¡¯ conceptual understanding of fundamental acid-base models and remedied any deficiency identified in pre-interviews and/or the ¡®predict¡¯ stage of the POE strategy. The results also showed that before implementation the students stated the main parts of acids and bases as H + and OH- ions, respectively. After the implementation, they indicated that the Arrhenius model had the least adequate explanation to imply features/behaviors of acids and bases whilst the Lewis model did the most adequate acid-base definition to address their features/behaviors. Moreover, the study revealed that most of the students had alternative understanding or only partial understanding at the ¡®predict¡¯, but showed somewhat a sound understanding of these concepts at the ¡®observe¡¯ and ¡®explain¡¯ stages. The current study suggests that chemistry teachers should integrate the POE-AM into their classes to effectively promote student learning
%K Asit-baz modelleri
%K Kavramsal anlama
%K TGA temelli animasyon filmleri
%U http://dergipark.org.tr/turje/issue/41530/449100