实验是化学科学的基石,中学化学课程实验内容丰富,在培养学生科学素养、启迪学生科学思维等方面起着重要的作用。文献检索和实践调查表明,多年来教师在化学实验研究的选题上表现出明显的不足。例如,不少教师仅关注对教材实验的浅层验证, Experiments are the cornerstone of chemistry science. The content of chemistry experiment in middle school is rich, which plays an important role in cultivating students ’scientific literacy and enlightening students’ scientific thinking. Literature search and practice survey showed that over the years, teachers in chemical experiments on the topic of the show obvious deficiencies. For example, many teachers only focus on the shallow verification of textbook experiments,