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小学科学教学中,固体热胀冷缩实验的教学具有知识的综合性和创造性,需要教学者在热胀冷缩物理变化过程机理的基础上,对固体热胀冷缩进行实验教学,帮助学生更好地理解固体的热胀冷缩的原理知识。
Primary science teaching, the teaching of solid thermal expansion and contraction experiments with comprehensive knowledge and creativity, the need for teachers in the physical mechanism of thermal expansion and contraction based on the mechanism of thermal expansion and contraction of solid experimental teaching to help students more Good understanding of the solid thermal expansion and contraction of the principle of knowledge.