“做中学”科学教育项目基于“问题——探究式”教学方法,倡导“提出问题——猜想假设——操作探究——交流展示——拓展延伸”的课堂结构,操作探究是“做中学”课堂教学的中心环节,是“猜想假设”环节的深化与验证,也是“交流展示”环节的前提与基 “Do middle school ” science education project based on “question - inquiry ” teaching method, advocate “ask questions - guess assumptions - operation and research - exchange show - expand extension ” classroom structure, operation Exploration is the central part of classroom teaching in “Learning by Doing Middle School”, which is the deepening and verification of the “Assumption Hypothesis” link and also the premise and link of “Communication and Presentation”