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新课程改革要求教师树立以学生发展为本的理念,以提高学生的科学素养为宗旨,培养科学探究的能力,努力倡导自主、合作、探究的学习方式。而学生知识的获得、能力的提高,主渠道是课堂教学。新课程标准明确提出:“提倡转变学生的学习方式,培养学生主动参与、乐于探究、交流合作的学习态度”。只有学生活动起来,课堂才具有生命活力。如何在有效的时间内提高学习效率,构建高效课堂,是摆在我们面前的严峻挑战。
The new curriculum reform requires teachers to establish the concept of student development as the foundation, to improve students’ scientific literacy, to cultivate the ability of scientific inquiry, and to advocate the independent, cooperative and exploratory learning methods. The acquisition of student knowledge, ability to improve, the main channel is classroom teaching. The new curriculum standards clearly put forward: “To promote the transformation of students ’learning style, cultivate students’ active participation, willing to explore, exchange and cooperation learning attitude ”. Only when the students are active, can the classroom have vitality. How to improve the learning efficiency and build an effective classroom in an effective time is a serious challenge before us.