物理学家海森堡曾经说过:“提出正确的问题,就等于解决了问题的多半”。发现问题、提出问题是探究问题的开始,是解决问题的关键所在。而教师创设一定的问题情境是学生发现和提出问题的动因。创设问题情境的目的在于引发探究和思维的火花,为问题的探究和解决撒下思维的种子。教师精心创设问题情境,让学生从对问题情境的感知中发现问题,然后通过积极的探究解决问题,从而获得认知和 Heisenberg, a physicist, once said: “Putting forward the right question means solving most of the problem.” Identifying the problem and asking the question is the beginning of exploring the problem and the key to solving the problem. Teachers create a certain problem situation is the motivation for students to discover and ask questions. The purpose of creating a problematic situation is to spark sparks of inquiry and thought, to explore the problem and to sow the seeds of thinking. Teachers carefully create the problem situation, so that students from the perception of the problem situation found in the problem, and then solve the problem through active exploration to gain awareness and