分组实验是指在教师指导下，按一定的实验教学程序，在预定时间内，由学生完成的实验操作活动。它较教师演示实验，具有更强的可见度和清晰度，目的是培养学生的观察能力和实验操作能力。搞好劳技课的分组实验，教师必须注意以下几点。a．要划分好实验小组。实验小组的划分要根 The grouping experiment refers to the experimental operation activities completed by the students within a predetermined period of time according to certain experimental teaching procedures under the guidance of the teacher. Compared with the teacher demonstration experiment, it has stronger visibility and sharpness. The purpose is to cultivate students’ observation ability and experimental operation ability. To do a good job of grouping experiments on labor and technology, teachers must pay attention to the following points. a. To divide the experimental team. The division of the experimental team is rooted