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在科学课堂上,教师经常会听到这样的对话:怎么去研究呀?做实验。怎么知道你们的想法或预测对不对呢?做实验。实验一词、实验一事一直就是科学课堂最为关注的焦点之一。然而,在实际教学中,一些教师对实验的认识有些泛化,将涉及到操作实践的内容笼统地都叫做实验,其实这是不科学的。实验是有严格的定义和程序的。实验是根据科学研究的目的,尽可能消除外界的影响,使用一些特殊的设备和仪器,人为地改变、控制或模拟研究对象,
In science classrooms, teachers often hear such conversations: how to study it and experiment? How do you know your thoughts or predictions are wrong? The word experiment, experiment, has always been one of the most focused topics in the science class. However, in the actual teaching, some teachers have some generalizations about the experiment, and the contents that involve the operation practice are generally called experiments. In fact, this is not scientific. Experiment is a strict definition and procedures. Experiment is based on the purpose of scientific research, as far as possible to eliminate the impact of the outside world, the use of special equipment and instruments, artificially change, control or simulation of the object of study,