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教师引导学生推导物理公式或利用物理规律分析和解决物理问题,往往需要将反映各物理量内在联系的数学表达式变换形式,突出作为函数的物理量的本质特征或把各物理量之间的关系变得简明、易辨.在此过程中,如果教师采用恰当的方法对学生加以引导,充分发挥学生的主观能动性,可使学生从中受到教益和启发,并能培养和发展学生的思维能力.
Teachers guide students to derive physical formulas or use physical laws to analyze and solve physical problems. It is often necessary to change the form of mathematical expressions that reflect the internal relations of physical quantities, highlight the essential characteristics of physical quantities as functions, or make the relationships among physical quantities concise. In this process, if teachers use appropriate methods to guide students and give full play to students’ subjective initiative, students can be taught and inspired, and they can cultivate and develop students’ thinking ability.