Karadeniz, A., Altundag, C.K. and Yucel, A.S. 2020. Investigating the effects of worksheets supported with prediction-observation-explanation method on high school students opinions. New Trends and Issues Proceedings on Humanities and Social Sciences. 7, 3 (Dec. 2020), 198–203. DOI:https://doi.org/10.18844/prosoc.v7i3.5253.