人教版八年级物理上册教案物理组目录科学之旅........................................................................................3第一章机械运动................................................................................5第一节长度和时间的测量.........................................................................5第二节运动的描述...............................................................................7第三节运动的快慢..............................................................................10第四节测量平均速度............................................................................12第二章声现象.................................................................................15第一节声音的产生与传播.......................................................................15第二节声音的特性.............................................................................21第三节声的利用...............................................................................25第四节噪声的危害和控制.......................................................................27复习课复习和应用.............................................................................30第三章物态变化...............................................................................32第一节温度...................................................................................32第二节熔化和凝固.............................................................................35第三节汽化和液化.............................................................................38第四节升华和凝华.............................................................................42复习课复习和应用.............................................................................44第四章光现象.................................................................................46第一节光的直线传播...........................................................................46第二节光的反射..............................................
