2012年八年级物理上册教案人教新课标版目录科学之旅.......................................................................................4第一章机械运动...............................................................................7第一节长度和时间的测量........................................................................7第二节运动的描述............................................................................11第三节运动的快慢............................................................................15第四节测量平均速度..........................................................................19第二章声现象...............................................................................22第一节声音的产生与传播.....................................................................22第二节声音的特性...........................................................................32第三节声的利用.............................................................................39第四节噪声的危害和控制.....................................................................42复习课复习和应用...........................................................................47第三章物态变化.............................................................................50第一节温度.................................................................................50第二节熔化和凝固...........................................................................56第三节汽化和液化...........................................................................61第四节升华和凝华...........................................................................68复习课复习和应用...........................................................................71第四章光现象...............................................................................74第一节光的直线传播.........................................................................74第二节光的反射.............................................................................79第三节平面镜成像...........................................................................86第四节光的折射.............................................................................94第五节光的色散.............................................................................99复习课复习和应用.........................................................................107第五章透镜及其应用........................................................................114第一节透镜...............................................................................114第二节生活中的透镜.......................................................................119第三节凸透镜成像的规律...................................................................124第四节眼睛和眼镜.........................................................................130第五节显微镜和望远镜.....................................................................135复习课复习和应用.........................................................................140第六章质量与密度..........................................................................142第一节质量.............................................................................142第三节密度...............................................