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小学自然在美国称为理科,是开掘学生创新潜能,训练学生理性思维的重要学科。它可以拓宽学生视野,丰富学生感知,具有很强的实践性和开阔的想象空间。为了充分开掘自然教材资源优势,有效地培养和训练学生的探究意识和创新能力,教学中应时刻注意“节外生枝”意境的营造。一、外延拓展,使认知“生活”化。自然教学提倡举一反三,触类旁通。为了深化和拓宽对某一内容的认识,教师要善于采取多种相关素材,
Primary school naturally called science in the United States, is to dig students innovative potential, training students an important discipline of rational thinking. It can broaden students ’horizons, enrich students’ perception, have strong practicality and open imagination space. In order to fully exploit the advantages of natural teaching materials resources and effectively cultivate and train students’ exploratory consciousness and innovative ability, the teaching should always pay attention to the creation of the artistic conception of “extra-curricular branches.” First, the extension of development, so that cognitive “life”. Advocate natural teaching to learn from one another, by analogy. In order to deepen and broaden the understanding of a certain content, teachers should be good at adopting a variety of related materials,