质疑——指导学生发现问题并提出问题 首先,要培养学生发现问题的能力。可以多方面入手,一方面,在教学中注意激发学生的学习兴趣,使他们产生好奇与思考,如魔术、实验、游戏等。如:做《水的浮力》一课实验时,学生通过把不同物体放入水中,发现了“有的物体在水中上浮,有的物体在水中下沉”这个问题,有了发现就会促使他们进行研究;另外,还可以让学生参 Question - guide students to identify problems and ask questions First of all, students need to develop the ability to detect problems. On the one hand, we should pay attention to arouse students' interest in learning and make them curious and thinking, such as magic, experiment, games and so on. Such as: “Buoyancy of water,” a class experiment, the students through the different objects into the water and found that “some objects floating in the water, and some objects sink in the water,” the problem will be found that will prompt them Research; In addition, students can also participate