“微课题研究”也称作微型科研,是指把日常教育教学过程中遇到的问题,及时梳理、筛选和提炼,使之成为一个课题,并展开相应的研究。研究的着眼点主要是教育教学细节,研究内容是教育教学实践中碰到的真问题、实问题、小问题,研究周期短,见效较快。在苏教版高一必修1“金属钠的性质与应用”教学活动中,实验探究钠与水的反应时,本人增加了钠与稀 “Micro-research ” also known as micro-scientific research, refers to the problems encountered in the daily education and teaching process, timely combing, screening and refining, making it a subject, and start the corresponding research. The focus of the study is mainly on the details of education and teaching. The content of the research is a real problem, a real problem and a small problem encountered in the practice of education and teaching. The research period is short and quick results are achieved. In the Sujiao version of a compulsory 1 “nature and application of metal ” teaching activities, the experiment to explore the reaction of sodium and water, I increased the sodium and dilute