古人云:“学起于思,思源于疑。”古人早就认识到问题对学习的价值,指出质疑是学习的源头。新课程标准也把“问题教学”提到议事日程上,把培养学生“发现问题的能力”“质疑能力”作为课程能力目标正式写进了《物理课程标准》。英国科学家波普尔认为:“科学知识的增长永远始于问题,终于问题——越来越深化的问题,越来越能启发新 The ancients said: ”Learn from think, think from doubt.“ ”The ancients had long recognized the value of the problem of learning, pointed out that the challenge is the source of learning. The new curriculum standard also refers to the “problem teaching” on the agenda, and formally writes “cultivating students ” ability of finding problems “” ability of questioning “as the objective of curriculum competence into the” physical curriculum standard “. British scientist Popper believes: ”The growth of scientific knowledge will always start with the problem, and finally the problem - the problem of getting more and more deepening can inspire new