一、问题的提出猜想是科学智慧中最活跃的成分,是探究式教学中的重要环节,但往往也是教师容易忽视的地方.新课程标准对科学探究的猜想与假设环节有这样的要求:尝试根据经验和已有知识对问题的成因提出猜想,对探究的方向和可能出现的实验结果进行推测与假设.提出猜想,就是根据已 First, the questioning of the conjecture is the most active component of scientific wisdom, and it is an important part of inquiry teaching. However, it is often a place that teachers easily overlook. The new curriculum standards have such requirements for the conjecture and hypothesis link of scientific inquiry: Based on experience and prior knowledge, make conjectures on the causes of the problems, and make inferences and assumptions on the direction of the inquiry and possible experimental results. The conjecture is based on