一、激发兴趣,实施问题探究教学兴趣是学生进行探究学习的动力,学生的探究兴趣一旦被激发出来,其潜能便会得到开发,主体性便会得到体现,学生会以积极主动和坚强的意志参与探究性活动。如教学《铁钉生锈了》一课时,教师给学生列举了生活中的铁锈现象,再拿出样品让学生比较没有生锈和生锈的铁制品的不同,学生经过讨论交流得出“铁锈是一种新的物质”。此时,学生的探究热情高涨,他们纷纷动手观察、试验。最后通过动手实验,发现铁钉在水或空气 First, to stimulate interest in the implementation of the problem of inquiry Teaching interest is the motivation of students to explore learning, once the student’s exploratory interest is excited, its potential will be developed, the subjectivity will be reflected, students will be proactive and strong will to participate Inquiry activity. Such as teaching “nail rusty” class, the teacher enumerated the students rust in life, and then took out samples for students to compare the rusty and rusty iron products, the students come through discussion and exchange “ Rust is a new material. ” At this point, the enthusiasm of the students to explore high, they have hands-on observation and experiment. Finally, hands-on experiments found that iron nails in water or air