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实验教学是物理教学的重要组成部分,是落实物理课程目标,全面提高学生科学素养的重要途径。《探究凸透镜成像规律》是初中物理学生必做的20个实验之一,教学目标是要通过学生的自主探究收集数据,分析数据,总结出凸透镜成像的规律,笔者受《物理课程标准》(2011版)启发,对本课的探究作了一次新的尝试。一、课前准备将全班48个人分成4人一组,共12个小组,每个小组配一套实验器材,包括:光具座、焦距为
Experimental teaching is an important part of physics teaching, and it is an important way to implement the objectives of physics courses and improve students’ scientific literacy in an all-round way. “Exploring Convex Lens Imaging Law” is one of the 20 experiments that junior high school physics students must do. The goal of the teaching is to collect data and analyze the data through the students’ independent inquiry, and sum up the laws of convex lens imaging. The author is subject to “Physics Curriculum Standards” (2011). Inspired, I made a new attempt to explore this lesson. First, prepare for class 48 people in the whole class is divided into 4 groups, a total of 12 groups, each group is equipped with a set of experimental equipment, including: optical bench, focal length is