一、创设问题情境,唤起求知欲望在讲授内容之前,通过演示实验、讲史料、生动的举例和类比、提出富有启发性或联系实际的问题等,可引起学生的直接兴趣,对激发学习动机,唤起求知欲等都是十分有益的。如在讲重力之前引出“飞流直下三千尺,凝是银河落九天”的诗句等,这样的引入能直接、迅速地激发学生兴趣。在讲动量定理时,提出茶杯从高处落到不同的地面上会不会摔碎?这样富有启发性的问题能引 First, create problem situations and evoke desire for knowledge. Before presenting content, students can directly interest themselves and motivate learning motivation through demonstration experiments, historical materials, vivid examples and analogies, and suggestive or practical issues. Arousing curiosity and so on are all very helpful. For example, before the introduction of gravity, the phrase “Flying down three thousand feet, and condensing is the nine days of the Milky Way” is introduced. Such introduction can directly and promptly stimulate students’ interest. When talking about the momentum theorem, would you suggest that the cup will fall from a high place to a different ground and it will not break? Such an enlightening question can lead