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为提高课堂教学效率,充分发挥演示实验教学作用,初中科学教师可以取生活中的素材对原有的实验做一些恰到好处的改进.本文通过4个实验改进案例分析了原有实验存在局限性以及改进后实验所达成的更好效果.希望通过这样的实验改进方式促进科学教师的素养提高,并能够体现出科学源于生活、用于生活的特点.
In order to improve the efficiency of classroom teaching and give full play to the role of demonstration experiment teaching, junior high school science teachers can take the life of the material to do some right improvements to the original experiment.Through the four experimental improvement case analysis of the existing limitations and improvements Post-experiment achieved better results.Hoping to improve the quality of scientific teachers through such experimental improvements, and can reflect the characteristics of science from life for life.