新课程标准注重学生对知识的探究过程和学生主动获取知识,培养学生科学探究能力,实事求是的科学态度和敢于创新的探索精神。探究型新授课学习是一种在好奇心驱使下,以问题为导向的、学生有高度智力投入且内容和形式都十分丰富的学习活动。如果教师在新授课教学中能运用新颖、奇特、惊险的实验导入新课,会起到事半功倍的效果。所谓“实验导入”是指教师运用实验导入新课。它是课堂教学的开端,与一切有目的的行为一样,良好的开端具有十分重要的意义。实验导 The new curriculum standards focus on students' knowledge of the process of inquiry and students take the initiative to acquire knowledge, develop students scientific inquiry ability, realistic and realistic scientific attitude and innovative spirit of exploration. Inquiry-based new lectureship is a curricular-driven, problem-oriented learning activity where students have a high degree of intellectual input and are rich in content and form. If teachers in the new teaching can use innovative, peculiar, thrilling experiment into the new class, will play a multiplier effect. The so-called “experimental introduction ” refers to the teacher to use the experiment into a new lesson. It is the beginning of classroom teaching, as with all purposive acts, a good beginning is of great importance. Experimental guide