听过不少的科学课,有一种印象,总感觉内容很宽泛,探究过程浅尝辄止,缺乏深度。笔者认为,在课堂教学中知识内容要尽量少一些、精一些,而内容要展开,展开了才有可能“深”,才有可能让学生真实、生动地受到科学素养的养成教育。一、选准切入点俗话说:“良好的开端是成功的一半。”选准一个恰当的切入点引入探究,能有效地激发学生的学习兴趣,引发学生的探究欲望,产生事半功倍的效果。从重点、难点、兴趣点切入探究活动, 学生掌握了探究的方法,有了探究的兴趣,其他活动的探究就迎 Heard a lot of science class, there is an impression that the total feeling of the content is very broad, the process of exploring the depth of the trial, the lack of depth. The author believes that the content of knowledge in the classroom teaching should be as less as possible and more refined, while the content should be expanded and unfold before the possibility of “deepness” is possible for the students to be truly and vividly educated by scientific literacy. First, the choice of entry point As the saying goes: “a good start is half the success.” Selection of an appropriate entry point into the inquiry, can effectively stimulate students interest in learning, triggering students’ desire for inquiry, resulting in a multiplier effect. From the focus, difficulty, point of interest into the inquiry activities, students have mastered the method of inquiry, with the interest of inquiry, other activities to explore