一、教材分析1.教材的特点、地位及作用本节课是人教版八年级物理下册第七章《欧姆定律》第三节《测小灯泡的电阻》,与原教材相比,突出了学生的探究活动,把科学方法的学习与科学知识的学习放到同等重要的地位,而且更加注重让学生自己去体验物理规律的得 First, the textbook analysis 1. Textbook features, status and role of this lesson is the PEP eighth grade physics Volume VII Chapter “Ohm’s Law,” Section III “Measuring the resistance of small light bulbs,” compared with the original textbook, prominence The student’s inquiry activities, the scientific method of learning and learning of scientific knowledge into equal importance, and more emphasis on allowing students to experience the laws of their own