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在化学选修课中利用乡土资源开展化学探究实验,对山核桃油的成分和性质、高山蔬菜农药残留情况、菠菜中微量铁元素的存在、菠菜中草酸的检测及性质等进行探究,让学生感受到化学就在身边,化学与生活息息相关,既让学生增强乡土情感,又能培养学生的探究能力。
Chemical selective experiments in the use of local resources to carry out chemical exploration experiments on the composition and properties of pecan oil, mountain vegetables and pesticide residues, the presence of trace amounts of iron in spinach, oxalic acid spinach to explore the nature and so on, so that students feel By the side of chemistry, chemistry is closely related to life, which not only enables students to enhance their local affection, but also cultivate students’ inquiry ability.