A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2017; you can also visit the original URL.
The file type is
The purpose of this study was to identify primary students' conceptual understanding and alternative conceptions in acid-base. For this reason, a 15 items two-tier multiple choice test administered 56 eighth grade students in spring semester 2009-2010. Data for this study were collected using a conceptual understanding scale prepared to include the concepts used in the subject of "Acids and Bases", which is a part of the unit "Structure and Properties of Matter" taught in the eighth gradedoi:10.13054/mije.184.108.40.206 fatcat:fkoldtcukvgxnljogxp5eyapi4