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生物学作为一门自然学科,实验是学好生物学的基础,是培养学生科学素养的重要途径。实验是学生学习情景再现的重要手段。俗话说:“百闻不如一见。”当学生亲眼看见呼出气体比吸入气体能使等量石灰水变浑浊的速度快时,呼吸作用产生二氧化碳的道理就不言自明了。实验是培养学生动手能力和实践能力的主要途径。战国时,赵国名将赵奢之子赵括,年轻时,学习兵法,谈
Biology is a natural science. Experiments are the foundation of good biology and an important way to cultivate students’ scientific literacy. Experiments are an important means for students to learn the scenes. As the saying goes: “Bew is not as good as it used to be.” When students see that the exhaled gas can make the same amount of lime water turbidity faster than the inhaled gas, the principle of respiration producing carbon dioxide is self-evident. Experiments are the main way to cultivate students’ practical ability and practical ability. In the Warring States period, Zhao Guo, the son of Zhao Guozhao, Zhao Kuo’s son, was young and he studied the art of war.