洋葱：物理初中 全国版，百度网盘分享

八年级上册 [5.27G]

1-机械运动 [1.17G]

01-物理量.mp4 [89.47M]

02-单位.mp4 [57.39M]

03-长度.mp4 [82.16M]

04-长度单位（1米）.mp4 [91.28M]

05-认识刻度尺.mp4 [89.86M]

06-使用刻度尺.mp4 [82.01M]

07-估读.mp4 [37.35M]

08-误差.mp4 [34.72M]

09-间接测长度.mp4 [111.56M]

10-测曲线长度.mp4 [64.25M]

11-时间.mp4 [68.67M]

12-时间单位（1秒）.mp4 [98.96M]

13-速度（上）.mp4 [54.38M]

14-速度（下）.mp4 [50.75M]

15-平均速度.mp4 [51.98M]

16-测平均速度.mp4 [78.66M]

17-匀速直线运动.mp4 [53.26M]

2-声现象 [752.60M]

01-声音的产生.mp4 [95.16M]

02-声音的传播.mp4 [29.92M]

03-传声介质.mp4 [81.63M]

04-声速.mp4 [33.67M]

05-声音的特性.mp4 [59.07M]

06-响度和振幅.mp4 [61.82M]

07-音调的决定因素.mp4 [44.99M]

08-音调和频率.mp4 [68.44M]

09-水瓶琴（实验）.mp4 [57.98M]

10-音色的决定因素.mp4 [32.46M]

11-听觉的频率范围.mp4 [78.45M]

12-超声波和次声波.mp4 [47.79M]

回声测距.mp4 [61.23M]

3-物态变化 [1.18G]

01-物质状态.mp4 [52.39M]

02-温度.mp4 [93.54M]

03-看得见的1℃.mp4 [75.46M]

04-汽化和液化.mp4 [47.20M]

05-沸腾现象和特点.mp4 [88.67M]

06-影响沸点的因素.mp4 [69.55M]

07-不同物质的沸点.mp4 [98.25M]

08-蒸发现象.mp4 [52.59M]

09-蒸发吸热.mp4 [74.23M]

10-蒸发的影响因素.mp4 [49.43M]

11-降温导致液化.mp4 [74.08M]

12-压缩导致液化.mp4 [51.79M]

13-熔化和凝固.mp4 [60.67M]

14-晶体和非晶体（上）.mp4 [100.30M]

15-晶体和非晶体（下）.mp4 [60.98M]

16-熔点和凝固点.mp4 [66.26M]

17-升华和凝华.mp4 [93.10M]

4-光现象 [558.63M]

01-色光三原色.mp4 [85.34M]

02-红外线.mp4 [77.47M]

03-紫外线.mp4 [70.90M]

04-光速.mp4 [90.10M]

05-平面镜成像.mp4 [43.65M]

06-光的反射定律（上）.mp4 [69.86M]

07-光的反射定律（下）.mp4 [61.67M]

折射现象.mp4 [59.64M]

5-透镜 [498.10M]

02-凸透镜.mp4 [46.58M]

03-凹透镜.mp4 [47.13M]

04-透镜成像（上）.mp4 [102.47M]

05-透镜成像（下）.mp4 [86.51M]

06-照相机原理.mp4 [33.46M]

07-自制照相机.mp4 [69.04M]

08-眼睛和眼镜.mp4 [59.42M]

凹透镜成像.mp4 [53.50M]

6-质量和密度 [1.16G]

01-质量.mp4 [42.93M]

02-看得见的1kg.mp4 [116.17M]

03-认识天平.mp4 [78.94M]

04-使用天平.mp4 [104.92M]

05-密度定义.mp4 [87.22M]

06-密度单位.mp4 [100.47M]

07-水和冰的密度.mp4 [68.50M]

08-密度全家福.mp4 [63.09M]

09-影响密度的因素.mp4 [45.99M]

10-体积及其单位换算.mp4 [70.84M]

11-量筒的使用.mp4 [70.13M]

12-鉴别物质.mp4 [50.24M]

13-密度公式的变形.mp4 [52.65M]

14-实验室测液体密度.mp4 [74.86M]

15-实验室测固体密度.mp4 [60.13M]

质量单位.mp4 [97.17M]

八年级下册 [6.70G]

10-浮力 [0.99G]

12-浮力.mp4 [58.22M]

13-浮力产生.mp4 [57.77M]

14-浮力的影响因素.mp4 [88.55M]

15-阿基米德原理(上).mp4 [102.99M]

16-阿基米德原理(下).mp4 [24.17M]

17-浮力公式的应用.mp4 [37.34M]

18-浮沉条件.mp4 [63.16M]

19-家庭装小潜艇.mp4 [95.46M]

20-漂浮状态.mp4 [48.82M]

21-密度计(上).mp4 [39.28M]

22-密度计(下).mp4 [82.25M]

23-神奇的船.mp4 [59.10M]

24-浸没状态.mp4 [39.28M]

25-用弹簧测力计测密度.mp4 [59.39M]

26-气体浮力.mp4 [83.25M]

27-气体浮力的利用.mp4 [76.02M]

11-功和机械能 [1.33G]

10-什么是功.mp4 [79.37M]

11-不做功的情况.mp4 [27.67M]

12-当距离和力垂直.mp4 [52.51M]

13-看得见的1j.mp4 [83.84M]

14-功率.mp4 [96.33M]

15-功率和速度.flv [75.28M]

16-看得见的1w.mp4 [82.95M]

弹性势能.flv [80.15M]

动力和弹性势能.mp4 [71.23M]

动能（上）.flv [94.59M]

动能（下）.mp4 [101.23M]

动能和重力势能.flv [81.87M]

功的计算.mp4 [80.26M]

功能关系.flv [86.48M]

机械能.mp4 [66.60M]

机械能守恒.mp4 [48.81M]

重力势能（上）.flv [81.08M]

重力势能（下）.mp4 [73.61M]

12-简单机械 [1.06G]

01-简单机械引入.mp4 [17.94M]

02-杠杆.mp4 [76.39M]

03-力和力臂.mp4 [106.53M]

04-杠杆平衡条件.mp4 [116.01M]

05-杠杆的分类.mp4 [109.72M]

06-定滑轮和动滑轮.mp4 [88.92M]

07-滑轮组（上）.mp4 [105.41M]

08-滑轮组（下）.mp4 [112.74M]

09-有质量的滑轮.mp4 [96.44M]

17-有用功和额外功.mp4 [95.24M]

18-机械效率.mp4 [91.66M]

19-提高机械效率.mp4 [64.34M]

7-力 [1.50G]

01-什么是力.mp4 [100.52M]

02-力的作用效果（上）.mp4 [73.14M]

03-力的作用效果（中）.mp4 [125.27M]

04-力的作用效果（下）.mp4 [63.03M]

05-力的三要素.mp4 [99.64M]

06-力的图示.mp4 [91.30M]

07-看的见的1n.mp4 [95.74M]

08-相互作用力.mp4 [99.96M]

09-弹力.mp4 [88.95M]

10-支持力.mp4 [88.06M]

11-压力.mp4 [52.10M]

12-弹簧测力计（上）.mp4 [97.09M]

13-弹簧测力计（下）.mp4 [75.87M]

14-重力的概念.mp4 [84.08M]

15-重力和质量的关系.mp4 [105.13M]

16-重力的计算公式.mp4 [30.87M]

17-重力的方向.mp4 [68.49M]

18-重心.mp4 [40.12M]

19-万有引力.mp4 [59.81M]

8-运动和力 [1.17G]

01-平衡状态和平衡力（上）.mp4 [29.19M]

02-平衡状态和平衡力（下）.mp4 [40.19M]

03-二力平衡的条件.mp4 [58.38M]

04-二力平衡的应用.mp4 [63.38M]

05-圣哲的瑕疵.mp4 [58.77M]

06-阻力作用.mp4 [61.42M]

07-不受力的运动.mp4 [45.56M]

08-牛顿第一定律.mp4 [71.66M]

09-不受力会怎样？.mp4 [49.40M]

10-惯性.mp4 [97.91M]

11-惯性的应用.mp4 [85.46M]

20-静摩擦力（上）.mp4 [49.15M]

21-静摩擦力（下）.mp4 [87.71M]

22-滑动摩擦力.mp4 [69.94M]

23-滑动摩擦力的影响因素.mp4 [73.85M]

24-摩擦力的利用.mp4 [92.86M]

必备技能-测滑动摩擦力.mp4 [20.13M]

实验方法-控制变量法(1).mp4 [37.52M]

中考练习-影响滑动摩擦力大小的因素.mp4 [33.42M]

重点实验-影响滑动摩擦力大小的因素.mp4 [74.83M]

9-压强 [662.62M]

01-压强的概念.mp4 [77.81M]

02-压强的公式及其单位.mp4 [70.21M]

03-改变压强.mp4 [52.25M]

04-液体压强的特点.mp4 [94.56M]

05-液体压强公式.mp4 [42.61M]

06-深度的含义.mp4 [32.81M]

07-液体压强的计算.mp4 [36.95M]

08-大气压强的作用.mp4 [71.27M]

09-大气压强的测量.mp4 [70.75M]

10-大气压强的变化.mp4 [57.26M]

11-流体压强和流速的关系.mp4 [56.12M]

九年级全一册 [5.58G]

13-内能 [772.62M]

01-物质的构成.mp4 [78.49M]

02-分子间隙.mp4 [79.70M]

03-分子热运动.mp4 [96.83M]

04-分子引力.mp4 [91.28M]

05-分子斥力.mp4 [79.19M]

06-内能.mp4 [48.79M]

07-热传递改变内能.mp4 [79.63M]

08-做功改变内能.mp4 [80.11M]

09-比热容上.mp4 [80.27M]

10-比热容下.mp4 [58.32M]

14-内能的利用 [250.53M]

11-内能做功.mp4 [90.84M]

12-热机.mp4 [39.04M]

13-汽油机构造.mp4 [34.62M]

14-汽油机四冲程上.mp4 [35.96M]

能量守恒定律.mp4 [50.07M]

15-电流与电路 [1.05G]

01-电路基本结构.mp4 [74.04M]

02-电路图-上.mp4 [65.41M]

03-电路图-中.mp4 [46.04M]

04-电路图-下.mp4 [57.75M]

05-电路三状态.mp4 [86.24M]

06-串联电路.mp4 [58.79M]

07-并联电路.mp4 [66.08M]

08-电路图和实物图转化.mp4 [48.72M]

09-电荷的定向移动.mp4 [86.69M]

10-电流方向.mp4 [57.05M]

11-电流大小(上).mp4 [43.15M]

12-电流大小(下).mp4 [44.06M]

13-认识电流表.mp4 [49.37M]

14-电流的测量.mp4 [92.91M]

15-串联电路的电流规律.mp4 [46.63M]

16-并联电路的电流规律.mp4 [70.58M]

17-基尔霍夫电流定律上.mp4 [51.07M]

18-基尔霍夫电流定律下.mp4 [35.01M]

16-电压 电阻 [1.14G]

01-电阻.mp4 [62.48M]

02-影响电阻的因素.mp4 [124.09M]

03-定值电阻和半导体元件.mp4 [66.97M]

04-滑动变阻器上.mp4 [85.05M]

05-滑动变阻器中.mp4 [79.40M]

06-滑动变阻器下.mp4 [68.31M]

07-电阻箱和电位器.mp4 [70.00M]

08-电流表和电压表的内阻.mp4 [50.93M]

19-电势和电压(上).mp4 [50.04M]

20-电势和电压(下).mp4 [93.82M]

21-电源上.mp4 [58.63M]

22-电源下.mp4 [46.37M]

23-认识电压表.mp4 [41.37M]

24-电压的测量.mp4 [78.42M]

25-串联电路电压规律上.mp4 [36.33M]

26-串联电路电压规律下.mp4 [41.20M]

27-并联电路电压规律.mp4 [36.09M]

28-基尔霍夫电压定律上.mp4 [40.52M]

29-基尔霍夫电压定律下.mp4 [39.16M]

17-欧姆定律 [542.68M]

09-电流电压实验.mp4 [67.09M]

10-欧姆定律.mp4 [25.61M]

11-欧姆定律的计算.mp4 [59.32M]

12-伏安法测电阻.mp4 [65.29M]

13-测小灯泡的电阻.mp4 [74.84M]

14-串联电路的分压原理-上.mp4 [32.62M]

15-串联电路的分压原理-下.mp4 [26.52M]

16-电阻的串联等效.mp4 [41.15M]

17-并联电路的分流原理-上.mp4 [32.62M]

18-并联电路的分流原理-下.mp4 [27.17M]

19-电阻的并联等效上.mp4 [44.58M]

20-电阻的并联等效下.mp4 [45.86M]

18-电功率 [1.04G]

01-电能.mp4 [100.31M]

02-电能表.mp4 [49.11M]

03-看得见的1kw·h.mp4 [69.89M]

04-电功.mp4 [54.57M]

05-电功公式.mp4 [47.85M]

06-用电器的电功.mp4 [42.45M]

07-纯电阻用电器.mp4 [49.75M]

08-公式变形.mp4 [39.51M]

09-串联的电功.mp4 [40.74M]

10-并联的电功.mp4 [40.42M]

11-电功率的定义.mp4 [51.84M]

12-串并联中的电功率.mp4 [32.83M]

13-千瓦时的来历.mp4 [43.21M]

14-电功率和电压.mp4 [61.08M]

15-额定功率.mp4 [36.39M]

16-实际功率.mp4 [27.54M]

17-电功率的测量原理.mp4 [41.40M]

18-电流热效应.mp4 [65.77M]

19-焦耳定律上.mp4 [56.95M]

20-电热的利用与防治.mp4 [72.81M]

20-焦耳定律下.mp4 [37.65M]

19-生活用电 [284.09M]

21-家庭电路.mp4 [66.95M]

22-火线和零线.mp4 [37.22M]

23-测电笔.mp4 [56.72M]

24-家用电器总功率.mp4 [67.20M]

26-家庭电路的短路.mp4 [55.98M]

20-电和磁 [551.29M]

01-磁场.mp4 [88.89M]

02-磁场方向.mp4 [56.38M]

03-磁感线.mp4 [81.61M]

04-奥斯特实验.mp4 [55.63M]

05-安培定则.mp4 [69.72M]

06-通电螺线管上.mp4 [30.46M]

07-通电螺线管下.mp4 [40.84M]

08-通电螺线管的磁极上.mp4 [47.45M]

09-通电螺线管的磁极下.mp4 [32.73M]

10-电磁感应现象.mp4 [47.59M]