课堂提问是科学教学活动的重要组成部分,巧妙的提问,能活跃课堂气氛,促进学生思维发展,还能及时反馈学生学习信息,发现学生学习中碰到的困难和不足,便于教师引导学生深入探究,从而取得良好的教学效果。但是,如果教师提问不当,会使学生情绪受抑,思维受阻,造成课堂“冷场”。国外 Classroom questions is an important part of science teaching activities, ingenious questions, can stimulate the classroom atmosphere, to promote the development of student thinking, but also timely feedback of student learning information, find the difficulties and deficiencies encountered in student learning, to facilitate teachers to guide students to explore in depth , So as to achieve good teaching results. However, if the teacher improperly questions, students will be depressed mood, blocked thinking, resulting in classroom “cold market.” foreign