一、分组要科学在平时的科学课堂教学中,最常见的小组合作学习形式是按前后座位自然分成四人或六人小组,座位的编排往往又是按学生的高矮顺序和男女生搭配而成的。这样分组虽然开展小组活动方便易行,但人员搭配不合理,不利于让不同特征、不同层次的学生进行优化组合。因此,科学小组的合作学习应遵循“组内异质、组间同质、男女搭配、优势互补”的原 First, the grouping should be science In the usual science classroom teaching, the most common form of group cooperative learning is based on the seat back and forth naturally divided into four or six groups, seat arrangement is often based on the order of the students and girls and boys with . Although this grouping group activities to facilitate the easy, but staff with unreasonable, is not conducive to different characteristics, different levels of students to optimize the combination. Therefore, the cooperative learning of the scientific group should follow the principle of “the heterogeneity in the group, the homogeneity in the group, the matching of the male and the female, the complementarity of each other”