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著名教育家陶行知先生曾经说过:“发明千千万,起点是一问。”纵观科学发展史,几乎每一次质的飞跃都从问题开始,可见问题是科学创新的起源。所以新课程标准在大力提倡探究性学习,即问题解决式学习。探究性学习旨在培养学生分析问题、解决问题,以至发现、提出问题的能力,从而提高学生的科学探究能力。这就要求教师在教学中必须把学生要学习的内容巧妙地转化为问题情境。
Mr. Tao Xingzhi, a famous educator, once said: “The invention of tens of millions starts with a question.” Throughout the history of scientific development, almost every qualitative leap starts from a problem, and the problem is the origin of scientific innovation. Therefore, the new curriculum standard strongly advocates inquiry learning, that is, problem-solving learning. Inquiry learning aims to develop students 'abilities to analyze, solve problems, discover and ask questions so as to improve students' ability of scientific inquiry. This requires that teachers in teaching must be cleverly translated into the problem situation students want to learn.