Quantitative Inquiry Experiment Design Highlighting Disciplinary Understanding: Role of Manganese Dioxide in the Reaction of Oxygen Production via Hydrogen Peroxide Decomposition
LI Hui-Yun1, LI Yan2**, JIANG Xiang-Yan3, XU Jiu-Kui4
1. Hebei Provincial Education Examinations Authority,Shijiazhuang 050003,China; 2. Shijiazhuang Institute of Educational Sciences,Shijiazhuang 050033,China; 3. Shijiazhuang No.42 Middle School,Shijiazhuang 050012,China; 4. Hebei Academy of Educational Sciences,Shijiazhuang 050061,China
