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The purpose of this study was to investigate the effect of ‘Predict-Observe-Explain’ (POE) activities which is carried out with the help of the POE method worksheets on ‘States of Matter’ in the ninth-grade chemistry course curriculum, on students’ metacognitive awareness. The focus group interview held in this study was conducted with eight students selected from the experimental group on a voluntary basis. Twelve questions were asked to the students. This research is a mixed-method study. While the quantitative part of the research was carried out using the pretest and posttest model with the control group, the qualitative part was conducted with the focus group interview technique. A focus group discussion was held to obtain the opinions of the experimental group students on the subjects of Gases and States of Matter taught with worksheets prepared with POE support. The findings obtained as a result of these interviews and the study of student worksheets show that students find POE-supported worksheets fun and they increase their interest and curiosity towards the chemistry class.
Keywords: POE, high school students, states of matters, worksheets.
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