在复习课中以一“物”多用的简便的教学方式来展开教学,通过围绕实物展开,吸引学生的注意力;以“物”为基础设置一系列的问题,帮助学生把零散的知识构架为一棵知识树。从而让科学课堂绽放简约之美,达到“简约而不简单”的教学境界。 In the reviewing class, teaching is started by a multi-purpose and simple teaching method, which attracts the students’ attention through the physical development, and sets a series of questions on the basis of “things ” to help students to put scattered The knowledge structure is a tree of knowledge. So that the science classroom blooms the simplicity of beauty and reaches the teaching level of “simple but not simple”.