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一、问题的提出高中化学课程改革之后,一线教师越来越重视在教学过程中创设教学情景,这是因为教学情景不仅能够激发学生学习化学的兴趣,而且还可以培养学生解决实际问题的能力。可以肯定地说,经过几年的课改实践,这种做法在很大程度上改变了传统的、单纯的“以知识为中心”的教学方式,把学生的学习与真实的情景结合起来,强化了化学与科学、技术、社会和环境的联系,为学生理解和应用化学知识降低了难度。但是,随着课程改
First, the question raised After the reform of high school chemistry courses, front-line teachers pay more and more attention to the creation of teaching situations in the teaching process, because the teaching situation not only inspires students to learn chemistry, but also can cultivate students ability to solve practical problems. To be sure, after several years of curriculum reform practice, this practice has largely changed the traditional, pure “knowledge-centered” teaching method, combining student learning with real situations , Strengthen the chemistry and science, technology, society and the environment, for students to understand and apply the chemical knowledge to reduce the difficulty. However, as the curriculum changed