随着小学科学新课程改革的深入推进,传统的教学模式已无法适应当前知识经济时代的要求。针对这一现状,亟需转变小学科学的教育理念和教学方式,创设高效的小学科学课堂。精心设计导入环节精彩的课前导入能使学生快速进入良好的学习状态之中,同时也起着优化教学效果的作用。课堂导入倘若新颖别致,则可以化腐朽为神奇,化枯燥为有趣,化静止为动态。运用问题导入法,小学科学教师可以通过设置与教学内容有关的问题,使知识点富 With the deepening of the new curriculum reform in science in primary schools, the traditional teaching model has not been able to meet the current requirements of the era of knowledge-based economy. In response to this situation, there is an urgent need to change the philosophy and teaching methods of primary science in science and create an efficient primary science classroom. Well-designed to import the wonderful pre-class import enables students to quickly enter a good learning state, but also plays a role in optimizing teaching effectiveness. If introduced into the classroom novel and unique, you can turn the magic into a magical, dry and boring for the fun, static and dynamic. The use of problem-based approach, primary science teachers can set the teaching content and related issues, so that knowledge-point-rich