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实验对于实验者来说是一种探索未知、检验假说、证实真理的探究活动。在探究过程中仅靠感官的观察会有一定的局限性,为了摆脱研究困境,科学家自行研制了各种工具,拓展自己的观察力。在教学中进行的科学实验应该与科学家进行的科学实验是一样的,学生也会受到观察力的制约,也需要借助实验工具辅助观察。在以往的教学实践中,教师仍然将实验工具直接呈现给学生,忽略了实验工具的生成过程,导致学生探究能力的缺失,学生不能真正经历像
Experiments for the experimenter are exploratory activities that explore the unknown, test hypotheses, and confirm the truth. In the process of inquiry, sensory observation alone has some limitations. In order to get rid of the research predicaments, scientists have developed various tools and expanded their own observational power. Scientific experiments in teaching should be conducted in the same way as scientific experiments conducted by scientists. Students are also subject to observational constraints. They also need assistance with experimental tools. In the past teaching practice, teachers still presented experimental tools directly to students, ignoring the generation of experimental tools, leading to the lack of students’ ability to explore, students can not really experience the image