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一、案例发生与经过通过第一课《植物新生命的开始》的教学,孩子们已经对种子有了一定的了解。在第二课中孩子们首先汇报了自己的种植计划,通过讨论明确了:为确保出芽率,每个试验中凤仙花种子的数量要在两颗以上。然后学生按照自己的计划准备实验器材。在课堂上师生共同完成第一个实验:在玻璃杯里种植凤仙花。考虑到把花盆拿到学校来很不方便,因此让学生把种子带回家,在父母的帮助下种植凤仙花,并要求做好记录,一周后在班级里进行汇报。
First, the case occurred After the first lesson through the “new beginning of plant life” teaching, children have a certain understanding of the seeds. In the second lesson, the children first reported their planting plan. Through the discussion, it was clarified that in order to ensure the germination rate, the number of impatiens seeds in each experiment should be more than two. Then students prepare their lab equipment according to their plan. Teachers and students together in the classroom to complete the first experiment: Impatiens are planted in glass. Given the inconvenience of bringing flower pots to school, students are encouraged to bring their seeds back to their homes, planted impatiens with the help of their parents, and asked to make notes and report them in class a week later.