洋葱学院教科版初中8-9年级物理同步课程(初二至初三全套)

物.初2上-教科（200课）

1-走进实验室（15课）

01-什么是物理量[zhiku66.com].mp4 [36.99MB]

02-一个单位的基本修养[zhiku66.com].mp4 [20.96MB]

03-长度[zhiku66.com].mp4 [44.15MB]

04-1米竟是‘高科技’！[zhiku66.com].mp4 [46.45MB]

05-认识刻度尺[zhiku66.com].mp4 [52.29MB]

06-用刻度尺测物体长度[zhiku66.com].mp4 [43.63MB]

07-估读[zhiku66.com].mp4 [22.65MB]

08-误差[zhiku66.com].mp4 [24.87MB]

09-误差和错误[zhiku66.com].mp4 [15.37MB]

10-间接测长度[zhiku66.com].mp4 [66.95MB]

11-测曲线长度[zhiku66.com].mp4 [42.43MB]

12-刻度尺操作步骤及要点[zhiku66.com].mp4 [37.86MB]

13-时间[zhiku66.com].mp4 [42.59MB]

14-1秒竟是‘高科技’！[zhiku66.com].mp4 [48.41MB]

15-使用停表[zhiku66.com].mp4 [38.36MB]

2-运动与能量（20课）

01-参照物[zhiku66.com].mp4 [26.54MB]

02-定义新物理量的方法[zhiku66.com].mp4 [38.45MB]

03-速度的定义[zhiku66.com].mp4 [36.77MB]

04-匀速直线运动[zhiku66.com].mp4 [34.72MB]

05-速度公式的应用[zhiku66.com].mp4 [32.21MB]

06-平均速度[zhiku66.com].mp4 [37.12MB]

07-计算平均速度[zhiku66.com].mp4 [52.64MB]

08-测平均速度[zhiku66.com].mp4 [39.31MB]

09-测量物体运动的平均速度[zhiku66.com].mp4 [21.72MB]

10-测量物体运动的平均速度实验要点(上)[zhiku66.com].mp4 [13.64MB]

11-测量物体运动的平均速度实验要点(下)[zhiku66.com].mp4 [14.29MB]

12-列车过桥问题[zhiku66.com].mp4 [23.03MB]

13-刹车问题[zhiku66.com].mp4 [37.53MB]

14-过马路问题[zhiku66.com].mp4 [35.94MB]

15-s-t图象的分析和计算(上)[zhiku66.com].mp4 [26.81MB]

16-s-t图象的分析和计算(中)[zhiku66.com].mp4 [22.63MB]

17-v-t图象的分析和计算(上)[zhiku66.com].mp4 [21.33MB]

18-v-t图象的分析和计算(下)[zhiku66.com].mp4 [24.69MB]

19-s-t图象和v-t图象综合计算(上)[zhiku66.com].mp4 [41.29MB]

20-s-t图象和v-t图象综合计算(下)[zhiku66.com].mp4 [35.65MB]

3-声（23课）

01-声音的产生[zhiku66.com].mp4 [47.99MB]

02-声音的传播[zhiku66.com].mp4 [14.54MB]

03-传声介质[zhiku66.com].mp4 [57.56MB]

04-声音的接收[zhiku66.com].mp4 [31.36MB]

05-放大法[zhiku66.com].mp4 [22.58MB]

06-声音的产生和传播实验要点[zhiku66.com].mp4 [22.51MB]

07-声速[zhiku66.com].mp4 [20.89MB]

08-关于声速的计算[zhiku66.com].mp4 [38.74MB]

09-回声测距[zhiku66.com].mp4 [39.39MB]

10-回声测距的计算[zhiku66.com].mp4 [25.61MB]

11-声音的特性[zhiku66.com].mp4 [30.89MB]

12-决定音调的因素[zhiku66.com].mp4 [26.50MB]

13-音调和频率[zhiku66.com].mp4 [23.87MB]

14-水瓶琴(实验)[zhiku66.com].mp4 [38.68MB]

15-听觉的频率范围[zhiku66.com].mp4 [41.52MB]

16-超声波和次声波[zhiku66.com].mp4 [28.46MB]

17-响度和振幅[zhiku66.com].mp4 [35.40MB]

18-响度和音调实验要点[zhiku66.com].mp4 [23.72MB]

19-声音的波形图比较音调和响度[zhiku66.com].mp4 [14.67MB]

20-决定音色的因素[zhiku66.com].mp4 [14.89MB]

21-声音的波形图比较音色[zhiku66.com].mp4 [14.02MB]

22-区分声音三特性[zhiku66.com].mp4 [29.22MB]

23-噪声的防治[zhiku66.com].mp4 [31.35MB]

4-在光的世界里（56课）

01-光的直线传播[zhiku66.com].mp4 [42.74MB]

02-小孔成像[zhiku66.com].mp4 [31.80MB]

03-光速[zhiku66.com].mp4 [58.30MB]

04-测太阳直径[zhiku66.com].mp4 [23.00MB]

05-测地球周长[zhiku66.com].mp4 [21.88MB]

06-光的反射定律(猜想)[zhiku66.com].mp4 [31.15MB]

07-验证光的反射定律[zhiku66.com].mp4 [32.85MB]

08-反射角等于入射角[zhiku66.com].mp4 [16.23MB]

09-作图(光的反射)[zhiku66.com].mp4 [27.56MB]

10-探究光反射时的规律[zhiku66.com].mp4 [24.47MB]

11-光反射时的规律实验要点(上)[zhiku66.com].mp4 [18.32MB]

12-光反射时的规律实验要点(下)[zhiku66.com].mp4 [13.72MB]

13-镜面反射[zhiku66.com].mp4 [39.70MB]

14-漫反射[zhiku66.com].mp4 [39.08MB]

15-平面镜成像的原理[zhiku66.com].mp4 [18.06MB]

16-平面镜成像规律[zhiku66.com].mp4 [35.47MB]

17-作图(平面镜成像)[zhiku66.com].mp4 [26.77MB]

18-探究平面镜成像的特点[zhiku66.com].mp4 [29.83MB]

19-平面镜成像的特点实验要点(上)[zhiku66.com].mp4 [13.10MB]

20-平面镜成像的特点实验要点(下)[zhiku66.com].mp4 [12.80MB]

21-等效替代法[zhiku66.com].mp4 [14.90MB]

22-凸面镜[zhiku66.com].mp4 [21.82MB]

23-凹面镜[zhiku66.com].mp4 [39.29MB]

24-光的折射现象及规律[zhiku66.com].mp4 [37.21MB]

25-作图(光的折射)[zhiku66.com].mp4 [28.63MB]

26-探究光折射时的特点[zhiku66.com].mp4 [17.87MB]

27-光折射时的特点实验要点(上)[zhiku66.com].mp4 [24.40MB]

28-光折射时的特点实验要点(下)[zhiku66.com].mp4 [19.53MB]

29-凸透镜[zhiku66.com].mp4 [16.17MB]

30-凹透镜[zhiku66.com].mp4 [20.91MB]

31-作图(凸透镜和凹透镜)[zhiku66.com].mp4 [28.33MB]

32-凸透镜成像规律的实验[zhiku66.com].mp4 [59.88MB]

33-凸透镜成像规律的光路图[zhiku66.com].mp4 [29.96MB]

34-作图(凸透镜成像)[zhiku66.com].mp4 [28.55MB]

35-实像和虚像[zhiku66.com].mp4 [18.74MB]

36-(拓展)凹透镜成像[zhiku66.com].mp4 [27.87MB]

37-光具座操作要点[zhiku66.com].mp4 [30.73MB]

38-探究凸透镜成像的规律(上)[zhiku66.com].mp4 [26.25MB]

39-探究凸透镜成像的规律(下)[zhiku66.com].mp4 [23.48MB]

40-探究凸透镜成像的规律(实验操作)[zhiku66.com].mp4 [20.12MB]

41-探究凸透镜成像的规律(数据分析)[zhiku66.com].mp4 [20.32MB]

42-探究凸透镜成像的规律(实验变形)[zhiku66.com].mp4 [25.53MB]

43-探究凸透镜成像的规律(结论应用)[zhiku66.com].mp4 [27.40MB]

44-照相机原理[zhiku66.com].mp4 [22.65MB]

45-自制照相机[zhiku66.com].mp4 [37.55MB]

46-眼睛和眼镜[zhiku66.com].mp4 [24.89MB]

47-色光三原色[zhiku66.com].mp4 [44.18MB]

48-红外线[zhiku66.com].mp4 [47.43MB]

49-紫外线[zhiku66.com].mp4 [41.18MB]

50-光学黑箱单平面镜[zhiku66.com].mp4 [14.43MB]

51-光学黑箱单透镜(上)[zhiku66.com].mp4 [15.48MB]

52-光学黑箱单透镜(下)[zhiku66.com].mp4 [16.59MB]

53-光学黑箱双透镜[zhiku66.com].mp4 [19.12MB]

54-光学黑箱平面镜+凸透镜[zhiku66.com].mp4 [18.82MB]

55-光学黑箱平面镜+凹透镜[zhiku66.com].mp4 [16.35MB]

56-光学黑箱一题多解[zhiku66.com].mp4 [19.80MB]

5-物态变化（39课）

01-温度[zhiku66.com].mp4 [64.80MB]

02-看得见的1℃[zhiku66.com].mp4 [55.65MB]

03-(拓展)自制简易温度计[zhiku66.com].mp4 [30.86MB]

04-摄氏温标[zhiku66.com].mp4 [35.12MB]

05-其他温标[zhiku66.com].mp4 [34.13MB]

06-认识实验室温度计[zhiku66.com].mp4 [24.22MB]

07-使用实验室温度计[zhiku66.com].mp4 [33.26MB]

08-温度计操作要点[zhiku66.com].mp4 [34.30MB]

09-体温计(上)[zhiku66.com].mp4 [25.74MB]

10-体温计(下)[zhiku66.com].mp4 [29.20MB]

11-其他温度计[zhiku66.com].mp4 [33.32MB]

12-物态变化[zhiku66.com].mp4 [30.28MB]

13-熔化和凝固[zhiku66.com].mp4 [40.38MB]

14-固体熔化时的温度[zhiku66.com].mp4 [50.84MB]

15-晶体和非晶体[zhiku66.com].mp4 [30.71MB]

16-熔点和凝固点[zhiku66.com].mp4 [39.75MB]

17-设计表格[zhiku66.com].mp4 [24.55MB]

18-铁架台操作要点[zhiku66.com].mp4 [30.51MB]

19-探究固体熔化时温度的变化规律[zhiku66.com].mp4 [22.59MB]

20-固体熔化时温度的变化规律实验要点(上)[zhiku66.com].mp4 [15.90MB]

21-固体熔化时温度的变化规律实验要点(下)[zhiku66.com].mp4 [17.41MB]

22-汽化和液化[zhiku66.com].mp4 [24.41MB]

23-沸腾现象和特点[zhiku66.com].mp4 [59.43MB]

24-影响沸点的因素[zhiku66.com].mp4 [39.94MB]

25-不同物质的沸点[zhiku66.com].mp4 [66.18MB]

26-液体会沸腾吗(上)[zhiku66.com].mp4 [24.29MB]

27-液体会沸腾吗(下)[zhiku66.com].mp4 [28.37MB]

28-探究水沸腾时温度变化的特点[zhiku66.com].mp4 [28.28MB]

29-多次实验找规律[zhiku66.com].mp4 [22.47MB]

30-水沸腾时温度变化的特点实验要点(上)[zhiku66.com].mp4 [16.06MB]

31-水沸腾时温度变化的特点实验要点(下)[zhiku66.com].mp4 [22.63MB]

32-蒸发现象[zhiku66.com].mp4 [30.35MB]

33-蒸发吸热[zhiku66.com].mp4 [40.46MB]

34-影响蒸发的因素[zhiku66.com].mp4 [26.77MB]

35-(拓展)干湿球温度计[zhiku66.com].mp4 [23.65MB]

36-降温导致液化[zhiku66.com].mp4 [44.90MB]

37-压缩导致液化[zhiku66.com].mp4 [29.96MB]

38-‘白气’是什么[zhiku66.com].mp4 [49.06MB]

39-升华和凝华[zhiku66.com].mp4 [56.71MB]

6-质量与密度（47课）

01-质量[zhiku66.com].mp4 [15.82MB]

02-看得见的1kg[zhiku66.com].mp4 [72.18MB]

03-认识天平[zhiku66.com].mp4 [37.58MB]

04-用天平测物体质量[zhiku66.com].mp4 [73.15MB]

05-体积及其单位换算[zhiku66.com].mp4 [38.22MB]

06-量筒的使用[zhiku66.com].mp4 [49.09MB]

07-测瓶子容积[zhiku66.com].mp4 [11.94MB]

08-密度的定义[zhiku66.com].mp4 [44.47MB]

09-密度的单位[zhiku66.com].mp4 [34.00MB]

10-密度的简单计算[zhiku66.com].mp4 [33.92MB]

11-水和冰的密度[zhiku66.com].mp4 [39.95MB]

12-密度全家福[zhiku66.com].mp4 [35.55MB]

13-密度公式的变形[zhiku66.com].mp4 [23.58MB]

14-冰水问题(上)[zhiku66.com].mp4 [22.16MB]

15-冰水问题(下)[zhiku66.com].mp4 [26.48MB]

16-实验室测液体密度[zhiku66.com].mp4 [58.80MB]

17-实验室测固体密度[zhiku66.com].mp4 [43.52MB]

18-影响密度的因素[zhiku66.com].mp4 [21.56MB]

19-鉴别物质[zhiku66.com].mp4 [22.33MB]

20-密度公式的比例关系气体[zhiku66.com].mp4 [20.28MB]

21-密度公式的比例关系固体和液体[zhiku66.com].mp4 [22.04MB]

22-使用天平的实验要点[zhiku66.com].mp4 [42.85MB]

23-使用量筒的实验要点[zhiku66.com].mp4 [36.41MB]

24-测量液体的密度[zhiku66.com].mp4 [25.58MB]

25-测量液体的密度(天平+量筒)[zhiku66.com].mp4 [20.76MB]

26-绘制坐标图象[zhiku66.com].mp4 [25.84MB]

27-误差分析[zhiku66.com].mp4 [38.71MB]

28-测量固体的密度[zhiku66.com].mp4 [23.92MB]

29-测量固体的密度(天平+量筒)[zhiku66.com].mp4 [16.69MB]

30-m-V图象(过原点)的计算[zhiku66.com].mp4 [40.34MB]

31-m-V图象(不过原点)的计算[zhiku66.com].mp4 [31.49MB]

32-比例问题(上)[zhiku66.com].mp4 [22.21MB]

33-比例问题(下)[zhiku66.com].mp4 [20.81MB]

34-空心问题(上)[zhiku66.com].mp4 [24.63MB]

35-空心问题(下)[zhiku66.com].mp4 [28.68MB]

36-液体和容器的混合计算(上)[zhiku66.com].mp4 [36.59MB]

37-液体和容器的混合计算(中)[zhiku66.com].mp4 [24.32MB]

38-液体和容器的混合计算(下)[zhiku66.com].mp4 [45.85MB]

39-测固体密度的相关计算(上)[zhiku66.com].mp4 [25.39MB]

40-测固体密度的相关计算(中)[zhiku66.com].mp4 [35.05MB]

41-测固体密度的相关计算(下)[zhiku66.com].mp4 [27.21MB]

42-测量液体的密度(只用天平)[zhiku66.com].mp4 [18.11MB]

43-测量液体的密度(只用量筒)[zhiku66.com].mp4 [24.65MB]

44-测量固体的密度(只用天平)[zhiku66.com].mp4 [26.96MB]

45-测量固体的密度(只用量筒)[zhiku66.com].mp4 [27.25MB]

46-巧测一捆铁丝的长度[zhiku66.com].mp4 [31.64MB]

47-巧测金属颗粒的密度[zhiku66.com].mp4 [29.09MB]

物.初2下-教科（209课）

10-流体的力现象（33课）

01-流体压强和流速的关系[zhiku66.com].mp4 [36.80MB]

02-浮力[zhiku66.com].mp4 [31.27MB]

03-浮力的产生原因[zhiku66.com].mp4 [36.81MB]

04-压力差和拉力差求浮力[zhiku66.com].mp4 [19.82MB]

05-影响浮力大小的因素[zhiku66.com].mp4 [49.32MB]

06-探究影响浮力大小的因素[zhiku66.com].mp4 [29.87MB]

07-影响浮力大小的因素实验要点[zhiku66.com].mp4 [26.00MB]

08-阿基米德原理(上)[zhiku66.com].mp4 [57.95MB]

09-阿基米德原理(下)[zhiku66.com].mp4 [18.78MB]

10-浮力公式的应用[zhiku66.com].mp4 [26.25MB]

11-探究浮力与排开液体重力的关系[zhiku66.com].mp4 [26.45MB]

12-浮力与G排实验要点[zhiku66.com].mp4 [22.18MB]

13-物体的浮沉条件[zhiku66.com].mp4 [35.11MB]

14-家庭装小潜艇[zhiku66.com].mp4 [57.88MB]

15-含浮力的受力分析[zhiku66.com].mp4 [30.10MB]

16-浮力重力和状态[zhiku66.com].mp4 [23.03MB]

17-漂浮状态[zhiku66.com].mp4 [31.62MB]

18-神奇的船[zhiku66.com].mp4 [34.74MB]

19-密度计(上)[zhiku66.com].mp4 [28.56MB]

20-密度计(下)[zhiku66.com].mp4 [55.12MB]

21-浸没状态[zhiku66.com].mp4 [25.71MB]

22-用弹簧测力计测密度[zhiku66.com].mp4 [33.69MB]

23-利用浮力测固体密度实验要点[zhiku66.com].mp4 [19.73MB]

24-利用浮力测液体密度实验要点(上)[zhiku66.com].mp4 [25.84MB]

25-利用浮力测液体密度实验要点(下)[zhiku66.com].mp4 [24.66MB]

26-(拓展)弹簧密度计(上)[zhiku66.com].mp4 [19.16MB]

27-(拓展)弹簧密度计(下)[zhiku66.com].mp4 [21.51MB]

28-气体浮力[zhiku66.com].mp4 [49.70MB]

29-气体浮力的利用[zhiku66.com].mp4 [46.90MB]

30-测浮力(上)[zhiku66.com].mp4 [21.01MB]

31-测浮力(下)[zhiku66.com].mp4 [36.20MB]

32-(拓展)刻度尺和柱形容器测密度(上)[zhiku66.com].mp4 [22.92MB]

33-(拓展)刻度尺和柱形容器测密度(下)[zhiku66.com].mp4 [21.47MB]

11-机械与功（52课）

01-简单机械(引入)[zhiku66.com].mp4 [15.11MB]

02-杠杆[zhiku66.com].mp4 [36.07MB]

03-力和力臂[zhiku66.com].mp4 [38.00MB]

04-杠杆的作图[zhiku66.com].mp4 [21.50MB]

05-杠杆平衡条件[zhiku66.com].mp4 [44.52MB]

06-杠杆的分类[zhiku66.com].mp4 [40.00MB]

07-杠杆平衡条件的计算[zhiku66.com].mp4 [23.83MB]

08-有重力的杠杆[zhiku66.com].mp4 [21.23MB]

09-(拓展)二人抬水模型[zhiku66.com].mp4 [23.08MB]

10-探究杠杆的平衡条件(上)[zhiku66.com].mp4 [22.84MB]

11-探究杠杆的平衡条件(下)[zhiku66.com].mp4 [14.86MB]

12-杠杆的平衡条件实验要点[zhiku66.com].mp4 [18.68MB]

13-杠杆的动态平衡(上)[zhiku66.com].mp4 [21.64MB]

14-杠杆的动态平衡(下)[zhiku66.com].mp4 [19.33MB]

15-杠杆的最值问题(上)[zhiku66.com].mp4 [19.97MB]

16-杠杆的最值问题(下)[zhiku66.com].mp4 [29.87MB]

17-判断杠杆的倾斜方向(上)[zhiku66.com].mp4 [22.89MB]

18-判断杠杆的倾斜方向(下)[zhiku66.com].mp4 [26.01MB]

19-(拓展)用杠杆测固体密度(上)[zhiku66.com].mp4 [19.91MB]

20-(拓展)用杠杆测固体密度(下)[zhiku66.com].mp4 [27.78MB]

21-定滑轮和动滑轮[zhiku66.com].mp4 [40.51MB]

22-滑轮组(上)[zhiku66.com].mp4 [45.23MB]

23-滑轮组(下)[zhiku66.com].mp4 [46.05MB]

24-有质量的滑轮[zhiku66.com].mp4 [30.05MB]

25-(拓展)超常省力滑轮组[zhiku66.com].mp4 [18.26MB]

26-组装滑轮组(上)[zhiku66.com].mp4 [22.85MB]

27-组装滑轮组(下)[zhiku66.com].mp4 [19.78MB]

28-滑轮组的绕绳[zhiku66.com].mp4 [20.67MB]

29-轮轴[zhiku66.com].mp4 [20.02MB]

30-斜面[zhiku66.com].mp4 [11.47MB]

31-(拓展)神仙葫芦(上)[zhiku66.com].mp4 [22.29MB]

32-(拓展)神仙葫芦(下)[zhiku66.com].mp4 [22.18MB]

33-什么是功[zhiku66.com].mp4 [32.05MB]

34-不做功的情况[zhiku66.com].mp4 [19.19MB]

35-当距离和力垂直[zhiku66.com].mp4 [40.58MB]

36-功的计算公式[zhiku66.com].mp4 [22.51MB]

37-看得见的1J[zhiku66.com].mp4 [50.87MB]

38-功的计算[zhiku66.com].mp4 [39.06MB]

39-功率[zhiku66.com].mp4 [29.49MB]

40-功率和速度[zhiku66.com].mp4 [27.42MB]

41-看得见的1W[zhiku66.com].mp4 [46.35MB]

42-功率的计算[zhiku66.com].mp4 [29.90MB]

43-有用功和额外功[zhiku66.com].mp4 [31.18MB]

44-机械效率[zhiku66.com].mp4 [29.78MB]

45-如何提高机械效率[zhiku66.com].mp4 [24.32MB]

46-滑轮组的机械效率[zhiku66.com].mp4 [25.85MB]

47-机械效率和功率的关系[zhiku66.com].mp4 [18.00MB]

48-测量滑轮组的机械效率的步骤[zhiku66.com].mp4 [23.26MB]

49-测量滑轮组的机械效率实验要点[zhiku66.com].mp4 [28.12MB]

50-杠杆的机械效率[zhiku66.com].mp4 [34.47MB]

51-测斜面机械效率[zhiku66.com].mp4 [19.43MB]

52-滑轮组的综合计算[zhiku66.com].mp4 [39.77MB]

12-机械能（12课）

01-功能关系[zhiku66.com].mp4 [30.22MB]

02-动能[zhiku66.com].mp4 [31.09MB]

03-影响动能大小的因素[zhiku66.com].mp4 [50.42MB]

04-探究影响动能大小的因素[zhiku66.com].mp4 [21.47MB]

05-动能实验要点[zhiku66.com].mp4 [22.64MB]

06-重力势能[zhiku66.com].mp4 [36.12MB]

07-影响重力势能的因素[zhiku66.com].mp4 [39.05MB]

08-弹性势能[zhiku66.com].mp4 [40.04MB]

09-动能和重力势能的转化[zhiku66.com].mp4 [46.89MB]

10-动能和弹性势能的转化[zhiku66.com].mp4 [36.73MB]

11-机械能[zhiku66.com].mp4 [43.65MB]

12-机械能守恒[zhiku66.com].mp4 [29.70MB]

7-力（47课）

01-什么是力[zhiku66.com].mp4 [46.92MB]

02-力的概念辨析[zhiku66.com].mp4 [21.00MB]

03-力能改变物体的形状[zhiku66.com].mp4 [37.13MB]

04-力能改变物体的运动状态(上)[zhiku66.com].mp4 [59.57MB]

05-力能改变物体的运动状态(下)[zhiku66.com].mp4 [28.66MB]

06-力的作用效果[zhiku66.com].mp4 [24.41MB]

07-力的三要素[zhiku66.com].mp4 [39.33MB]

08-力的示意图[zhiku66.com].mp4 [26.75MB]

09-看得见的1N[zhiku66.com].mp4 [56.45MB]

10-力的作用是相互的[zhiku66.com].mp4 [54.38MB]

11-相互作用力[zhiku66.com].mp4 [15.70MB]

12-什么是弹力？[zhiku66.com].mp4 [41.88MB]

13-支持力[zhiku66.com].mp4 [33.27MB]

14-压力[zhiku66.com].mp4 [15.21MB]

15-弹力的方向[zhiku66.com].mp4 [25.32MB]

16-弹力产生的原因与方向[zhiku66.com].mp4 [15.74MB]

17-弹簧测力计的原理[zhiku66.com].mp4 [49.25MB]

18-制作、使用弹簧测力计[zhiku66.com].mp4 [41.47MB]

19-使用弹簧测力计[zhiku66.com].mp4 [45.40MB]

20-重力的概念[zhiku66.com].mp4 [30.60MB]

21-重力和质量的关系[zhiku66.com].mp4 [58.46MB]

22-重力的计算公式[zhiku66.com].mp4 [24.33MB]

23-重力的计算[zhiku66.com].mp4 [24.39MB]

24-重力的方向[zhiku66.com].mp4 [40.38MB]

25-重心[zhiku66.com].mp4 [28.08MB]

26-重心不一定在物体上[zhiku66.com].mp4 [26.43MB]

27-找重心[zhiku66.com].mp4 [19.55MB]

28-万有引力[zhiku66.com].mp4 [35.84MB]

29-重力质量比大小？[zhiku66.com].mp4 [25.64MB]

30-重力质量的决定关系[zhiku66.com].mp4 [14.57MB]

31-测重力实验要点[zhiku66.com].mp4 [18.94MB]

32-重心校正(上)[zhiku66.com].mp4 [17.97MB]

33-重心校正(中)[zhiku66.com].mp4 [19.12MB]

34-重心校正(下)[zhiku66.com].mp4 [24.56MB]

35-静摩擦力(上)[zhiku66.com].mp4 [29.07MB]

36-静摩擦力(下)[zhiku66.com].mp4 [53.08MB]

37-滑动摩擦力[zhiku66.com].mp4 [44.76MB]

38-影响滑动摩擦力大小的因素[zhiku66.com].mp4 [42.38MB]

39-摩擦力的利用[zhiku66.com].mp4 [52.82MB]

40-摩擦力的作用和方向[zhiku66.com].mp4 [20.62MB]

41-控制变量法[zhiku66.com].mp4 [17.30MB]

42-测滑动摩擦力[zhiku66.com].mp4 [19.74MB]

43-探究影响滑动摩擦力大小的因素[zhiku66.com].mp4 [34.28MB]

44-滑动摩擦力的影响因素实验要点[zhiku66.com].mp4 [23.29MB]

45-单个物体的摩擦力计算[zhiku66.com].mp4 [38.03MB]

46-多个物体的摩擦力计算[zhiku66.com].mp4 [32.30MB]

47-通过F-t图象求摩擦力[zhiku66.com].mp4 [21.10MB]

8-力与运动（24课）

01-圣哲的瑕疵[zhiku66.com].mp4 [33.11MB]

02-阻力的作用[zhiku66.com].mp4 [38.55MB]

03-不受力的运动[zhiku66.com].mp4 [25.21MB]

04-牛顿第一定律[zhiku66.com].mp4 [35.75MB]

05-‘实验定律’？[zhiku66.com].mp4 [20.35MB]

06-力消失会怎样[zhiku66.com].mp4 [28.61MB]

07-力消失问题的易错点[zhiku66.com].mp4 [18.64MB]

08-实验推理法[zhiku66.com].mp4 [28.32MB]

09-阻力作用(上)[zhiku66.com].mp4 [25.76MB]

10-阻力作用(下)[zhiku66.com].mp4 [16.31MB]

11-阻力实验要点[zhiku66.com].mp4 [19.53MB]

12-惯性[zhiku66.com].mp4 [53.76MB]

13-惯性的应用[zhiku66.com].mp4 [47.37MB]

14-惯性不是力[zhiku66.com].mp4 [13.61MB]

15-惯性和质量[zhiku66.com].mp4 [17.66MB]

16-平衡状态[zhiku66.com].mp4 [21.91MB]

17-平衡力[zhiku66.com].mp4 [24.43MB]

18-平衡状态和力[zhiku66.com].mp4 [17.08MB]

19-二力平衡的条件[zhiku66.com].mp4 [35.56MB]

20-二力平衡的应用[zhiku66.com].mp4 [34.51MB]

21-平衡力和相互作用力[zhiku66.com].mp4 [24.25MB]

22-弹簧测力计的示数[zhiku66.com].mp4 [12.07MB]

23-探究二力平衡的条件[zhiku66.com].mp4 [19.83MB]

24-二力平衡实验要点[zhiku66.com].mp4 [16.85MB]

9-压强（41课）

01-压强的概念[zhiku66.com].mp4 [44.60MB]

02-压强的公式和单位[zhiku66.com].mp4 [33.75MB]

03-改变压强[zhiku66.com].mp4 [31.75MB]

04-压力不是重力[zhiku66.com].mp4 [20.60MB]

05-压强公式的应用[zhiku66.com].mp4 [29.82MB]

06-转换法[zhiku66.com].mp4 [23.93MB]

07-探究影响压力作用效果的因素[zhiku66.com].mp4 [20.34MB]

08-影响压力作用效果的因素实验要点[zhiku66.com].mp4 [20.33MB]

09-判断固体压力、压强的变化[zhiku66.com].mp4 [21.72MB]

10-多‘足’物体压强的计算[zhiku66.com].mp4 [14.38MB]

11-固体压强叠体问题[zhiku66.com].mp4 [23.06MB]

12-巧求柱形物体的压强[zhiku66.com].mp4 [33.19MB]

13-固体压强切割问题[zhiku66.com].mp4 [30.58MB]

14-液体压强的特点[zhiku66.com].mp4 [53.46MB]

15-使用压强计[zhiku66.com].mp4 [26.64MB]

16-探究液体内部压强的特点[zhiku66.com].mp4 [24.86MB]

17-液体压强实验要点[zhiku66.com].mp4 [18.45MB]

18-液体压强公式[zhiku66.com].mp4 [33.73MB]

19-深度的含义[zhiku66.com].mp4 [20.93MB]

20-液体压强的简单计算[zhiku66.com].mp4 [20.18MB]

21-液体压强的计算[zhiku66.com].mp4 [24.37MB]

22-液体压力的计算[zhiku66.com].mp4 [29.32MB]

23-液体压强柱形容器[zhiku66.com].mp4 [30.97MB]

24-液体压强扩口容器[zhiku66.com].mp4 [29.00MB]

25-液体压强缩口容器[zhiku66.com].mp4 [25.84MB]

26-液体压强三种容器综合(上)[zhiku66.com].mp4 [34.98MB]

27-液体压强三种容器综合(下)[zhiku66.com].mp4 [36.92MB]

28-液体压强的变化(上)[zhiku66.com].mp4 [26.18MB]

29-液体压强的变化(中)[zhiku66.com].mp4 [25.06MB]

30-液体压强的变化(下)[zhiku66.com].mp4 [27.73MB]

31-帕斯卡原理与液压系统(上)[zhiku66.com].mp4 [19.60MB]

32-帕斯卡原理与液压系统(下)[zhiku66.com].mp4 [23.67MB]

33-液压千斤顶[zhiku66.com].mp4 [27.92MB]

34-连通器[zhiku66.com].mp4 [39.76MB]

35-大气压强的作用[zhiku66.com].mp4 [47.32MB]

36-大气压强的变化[zhiku66.com].mp4 [35.05MB]

37-大气压强的测量[zhiku66.com].mp4 [41.43MB]

38-马德堡半球实验[zhiku66.com].mp4 [46.46MB]

39-历史上的压强实验[zhiku66.com].mp4 [21.90MB]

40-吸盘法测大气压强[zhiku66.com].mp4 [23.86MB]

41-针筒法测大气压强[zhiku66.com].mp4 [22.74MB]

物.初3上-教科（199课）

1-分子动理论与内能（21课）

01-物质的构成[zhiku66.com].mp4 [43.32MB]

02-分子间隙[zhiku66.com].mp4 [43.45MB]

03-分子热运动[zhiku66.com].mp4 [57.11MB]

04-分子结构和物态变化[zhiku66.com].mp4 [54.06MB]

05-分子引力[zhiku66.com].mp4 [50.39MB]

06-分子斥力[zhiku66.com].mp4 [41.67MB]

07-内能[zhiku66.com].mp4 [34.39MB]

08-改变内能的方式热传递[zhiku66.com].mp4 [41.94MB]

09-热量[zhiku66.com].mp4 [32.33MB]

10-改变内能的方式做功[zhiku66.com].mp4 [46.18MB]

11-热传递Vs.做功[zhiku66.com].mp4 [61.77MB]

12-改变内能的形式[zhiku66.com].mp4 [23.58MB]

13-易错点辨析内能和热量[zhiku66.com].mp4 [22.17MB]

14-易错点辨析-内能和温度[zhiku66.com].mp4 [21.61MB]

15-易错点辨析-热量和温度[zhiku66.com].mp4 [25.82MB]

16-比热容(上)[zhiku66.com].mp4 [51.18MB]

17-比热容(下)[zhiku66.com].mp4 [39.87MB]

18-热量的计算[zhiku66.com].mp4 [30.78MB]

19-水与比热容[zhiku66.com].mp4 [30.76MB]

20-比较不同物质吸热的情况[zhiku66.com].mp4 [21.37MB]

21-不同物质吸热情况实验要点[zhiku66.com].mp4 [19.88MB]

2-改变世界的热机（7课）

1-内能做功[zhiku66.com].mp4 [55.38MB]

2-热机[zhiku66.com].mp4 [29.12MB]

3-汽油机构造[zhiku66.com].mp4 [24.35MB]

4-汽油机四冲程(上)[zhiku66.com].mp4 [26.72MB]

5-汽油机四冲程(下)[zhiku66.com].mp4 [15.66MB]

6-热值[zhiku66.com].mp4 [34.54MB]

7-能量守恒定律[zhiku66.com].mp4 [29.98MB]

3-认识电路（22课）

01-两种电荷(上)[zhiku66.com].mp4 [36.33MB]

02-两种电荷(下)[zhiku66.com].mp4 [42.16MB]

03-物体带电本质[zhiku66.com].mp4 [33.17MB]

04-如何判断带电情况[zhiku66.com].mp4 [20.91MB]

05-静电的检验[zhiku66.com].mp4 [38.90MB]

06-验电器的操作要点[zhiku66.com].mp4 [26.00MB]

07-导体和绝缘体[zhiku66.com].mp4 [38.76MB]

08-电荷的定向移动[zhiku66.com].mp4 [48.53MB]

09-电流的方向[zhiku66.com].mp4 [34.94MB]

10-负电荷和电流的方向[zhiku66.com].mp4 [27.54MB]

11-电路基本结构[zhiku66.com].mp4 [45.64MB]

12-电路图(上)[zhiku66.com].mp4 [37.51MB]

13-电路图(中)[zhiku66.com].mp4 [25.93MB]

14-电路图(下)[zhiku66.com].mp4 [35.54MB]

15-电路三状态[zhiku66.com].mp4 [49.59MB]

16-串联电路[zhiku66.com].mp4 [37.29MB]

17-并联电路[zhiku66.com].mp4 [44.03MB]

18-电路图和实物图转化[zhiku66.com].mp4 [30.66MB]

19-判断电路的类型(上)[zhiku66.com].mp4 [34.24MB]

20-判断电路的类型(下)[zhiku66.com].mp4 [30.75MB]

21-电路设计(上)[zhiku66.com].mp4 [46.59MB]

22-电路设计(下)[zhiku66.com].mp4 [35.23MB]

4-探究电流（45课）

01-电流的强弱[zhiku66.com].mp4 [27.55MB]

02-电流的公式和单位[zhiku66.com].mp4 [34.37MB]

03-看得见的1A[zhiku66.com].mp4 [39.20MB]

04-看得见的1C[zhiku66.com].mp4 [31.25MB]

05-认识电流表[zhiku66.com].mp4 [30.04MB]

06-电流的测量[zhiku66.com].mp4 [50.78MB]

07-串联电路的电流规律[zhiku66.com].mp4 [31.74MB]

08-并联电路的电流规律[zhiku66.com].mp4 [40.83MB]

09-(拓展)基尔霍夫电流定律(上)[zhiku66.com].mp4 [40.05MB]

10-(拓展)基尔霍夫电流定律(下)[zhiku66.com].mp4 [24.62MB]

11-组装串联电路[zhiku66.com].mp4 [30.00MB]

12-使用电流表[zhiku66.com].mp4 [30.69MB]

13-探究串联电路的电流关系[zhiku66.com].mp4 [32.63MB]

14-串联电路的电流关系实验要点[zhiku66.com].mp4 [18.51MB]

15-组装并联电路[zhiku66.com].mp4 [37.88MB]

16-探究并联电路的电流关系[zhiku66.com].mp4 [25.69MB]

17-并联电路的电流关系实验要点[zhiku66.com].mp4 [19.26MB]

18-电势和电压(上)[zhiku66.com].mp4 [32.56MB]

19-电势和电压(下)[zhiku66.com].mp4 [53.02MB]

20-电源(下)[zhiku66.com].mp4 [33.89MB]

21-认识电压表[zhiku66.com].mp4 [24.43MB]

22-电压的测量[zhiku66.com].mp4 [43.20MB]

23-串联电路电压规律(上)[zhiku66.com].mp4 [25.66MB]

24-串联电路电压规律(下)[zhiku66.com].mp4 [27.15MB]

25-并联电路电压规律[zhiku66.com].mp4 [27.37MB]

26-串、并联电路电流电压规律的应用[zhiku66.com].mp4 [34.80MB]

27-基尔霍夫电压定律(上)[zhiku66.com].mp4 [31.47MB]

28-基尔霍夫电压定律(下)[zhiku66.com].mp4 [29.41MB]

29-使用电压表[zhiku66.com].mp4 [38.15MB]

30-探究串联电路的电压关系[zhiku66.com].mp4 [23.50MB]

31-串联电路的电压关系实验要点[zhiku66.com].mp4 [23.93MB]

32-探究并联电路的电压关系[zhiku66.com].mp4 [18.74MB]

33-并联电路的电压关系实验要点[zhiku66.com].mp4 [21.01MB]

34-电阻[zhiku66.com].mp4 [50.09MB]

35-影响电阻的因素[zhiku66.com].mp4 [55.46MB]

36-定值电阻和半导体元件[zhiku66.com].mp4 [44.41MB]

37-探究影响导体电阻大小的因素[zhiku66.com].mp4 [35.21MB]

38-影响导体电阻大小的因素实验要点[zhiku66.com].mp4 [18.66MB]

39-滑动变阻器的原理[zhiku66.com].mp4 [51.56MB]

40-滑动变阻器的连接方式[zhiku66.com].mp4 [48.74MB]

41-滑动变阻器的功能[zhiku66.com].mp4 [41.00MB]

42-电阻箱和电位器[zhiku66.com].mp4 [41.57MB]

43-电流表和电压表的内阻[zhiku66.com].mp4 [32.82MB]

44-使用滑动变阻器[zhiku66.com].mp4 [46.25MB]

45-使用电阻箱[zhiku66.com].mp4 [32.26MB]

5-欧姆定律（38课）

01-电流与电压的关系[zhiku66.com].mp4 [46.30MB]

02-电阻单位的定义[zhiku66.com].mp4 [31.34MB]

03-欧姆定律[zhiku66.com].mp4 [19.44MB]

04-欧姆定律的计算[zhiku66.com].mp4 [32.24MB]

05-欧姆定律中的决定关系[zhiku66.com].mp4 [16.64MB]

06-多次实验找规律(总结)[zhiku66.com].mp4 [21.24MB]

07-探究电流与电压的关系[zhiku66.com].mp4 [18.64MB]

08-电流与电压的关系实验要点[zhiku66.com].mp4 [24.92MB]

09-探究电流与电阻的关系[zhiku66.com].mp4 [26.77MB]

10-电流与电阻的关系实验要点[zhiku66.com].mp4 [27.45MB]

11-伏安法测电阻[zhiku66.com].mp4 [43.67MB]

12-测小灯泡的电阻[zhiku66.com].mp4 [45.73MB]

13-实验-伏安法测电阻[zhiku66.com].mp4 [22.92MB]

14-伏安法测电阻实验要点[zhiku66.com].mp4 [32.83MB]

15-伏安法测小灯泡电阻实验要点[zhiku66.com].mp4 [20.72MB]

16-串联电路的分压原理(上)[zhiku66.com].mp4 [23.42MB]

17-串联电路的分压原理(下)[zhiku66.com].mp4 [21.67MB]

18-串联的等效电阻[zhiku66.com].mp4 [28.60MB]

19-并联电路的分流原理(上)[zhiku66.com].mp4 [27.03MB]

20-并联电路的分流原理(下)[zhiku66.com].mp4 [22.38MB]

21-并联的等效电阻(上)[zhiku66.com].mp4 [26.29MB]

22-并联的等效电阻(下)[zhiku66.com].mp4 [30.13MB]

23-电路故障分析(断路和短路)[zhiku66.com].mp4 [36.84MB]

24-电路故障分析(电表示数异常)[zhiku66.com].mp4 [32.36MB]

25-电路故障检查(串联电路)[zhiku66.com].mp4 [48.88MB]

26-电路故障检查(并联电路)[zhiku66.com].mp4 [34.89MB]

27-电路故障专练[zhiku66.com].mp4 [19.17MB]

28-伏安法测电阻(只用电压表)[zhiku66.com].mp4 [23.08MB]

29-伏安法测电阻(只用电流表)[zhiku66.com].mp4 [21.75MB]

30-等效法测电阻[zhiku66.com].mp4 [16.60MB]

31-电学黑箱(上)[zhiku66.com].mp4 [18.92MB]

32-电学黑箱(下)[zhiku66.com].mp4 [19.83MB]

33-测通器[zhiku66.com].mp4 [22.58MB]

34-断路器[zhiku66.com].mp4 [22.14MB]

35-(拓展)惠斯通电桥[zhiku66.com].mp4 [22.54MB]

36-测电源电压[zhiku66.com].mp4 [30.86MB]

37-(拓展)测电池内阻[zhiku66.com].mp4 [18.23MB]

38-(拓展)输电线短路位置检测[zhiku66.com].mp4 [14.03MB]

6-电功率（37课）

01-电能[zhiku66.com].mp4 [56.43MB]

02-电能表[zhiku66.com].mp4 [33.30MB]

03-看得见的1kW·h[zhiku66.com].mp4 [40.97MB]

04-电功[zhiku66.com].mp4 [39.44MB]

05-电功的公式[zhiku66.com].mp4 [32.99MB]

06-用电器的电功[zhiku66.com].mp4 [36.15MB]

07-纯电阻用电器[zhiku66.com].mp4 [32.33MB]

08-电功公式的变形[zhiku66.com].mp4 [29.40MB]

09-计算单个用电器的电功(上)[zhiku66.com].mp4 [34.92MB]

10-计算单个用电器的电功(下)[zhiku66.com].mp4 [32.76MB]

11-串联电路电功的计算[zhiku66.com].mp4 [33.47MB]

12-并联电路电功的计算[zhiku66.com].mp4 [30.74MB]

13-电功率的定义和公式[zhiku66.com].mp4 [29.34MB]

14-串、并联电路的电功率[zhiku66.com].mp4 [25.04MB]

15-千瓦时的来历[zhiku66.com].mp4 [35.68MB]

16-根据电能求电功率[zhiku66.com].mp4 [38.37MB]

17-用P-t图象计算电能[zhiku66.com].mp4 [31.40MB]

18-电流热效应[zhiku66.com].mp4 [39.78MB]

19-影响电热量的因素[zhiku66.com].mp4 [33.51MB]

20-焦耳定律[zhiku66.com].mp4 [27.46MB]

21-电热的利用与防治[zhiku66.com].mp4 [40.54MB]

22-计算电热量[zhiku66.com].mp4 [43.88MB]

23-探究影响导体产热量多少的因素[zhiku66.com].mp4 [26.40MB]

24-影响导体产热量多少的因素实验要点[zhiku66.com].mp4 [25.18MB]

25-电功率和电压[zhiku66.com].mp4 [35.04MB]

26-额定功率[zhiku66.com].mp4 [24.24MB]

27-实际功率[zhiku66.com].mp4 [20.29MB]

28-电功率的测量原理[zhiku66.com].mp4 [32.09MB]

29-测量小灯泡的电功率[zhiku66.com].mp4 [24.74MB]

30-测量小灯泡的电功率实验要点[zhiku66.com].mp4 [21.70MB]

31-转换法(总结)[zhiku66.com].mp4 [21.92MB]

32-(拓展)测手机充电功率[zhiku66.com].mp4 [34.62MB]

33-根据电功率求电能[zhiku66.com].mp4 [54.76MB]

34-根据U、I、R求电功率[zhiku66.com].mp4 [29.72MB]

35-计算电动机的能量[zhiku66.com].mp4 [26.61MB]

36-测小灯泡额定功率(只用电流表)实验要点[zhiku66.com].mp4 [19.48MB]

37-测小灯泡额定功率(只用电压表)实验要点[zhiku66.com].mp4 [15.19MB]

7-磁与电（18课）

01-磁场[zhiku66.com].mp4 [56.62MB]

02-磁场的方向[zhiku66.com].mp4 [33.43MB]

03-磁感线[zhiku66.com].mp4 [46.52MB]

04-地磁场[zhiku66.com].mp4 [35.27MB]

05-奥斯特实验[zhiku66.com].mp4 [31.19MB]

06-安培定则[zhiku66.com].mp4 [38.92MB]

07-通电螺线管(上)[zhiku66.com].mp4 [21.71MB]

08-通电螺线管的磁极(上)[zhiku66.com].mp4 [36.70MB]

09-通电螺线管的磁极(下)[zhiku66.com].mp4 [25.86MB]

10-探究通电螺线管外部的磁场分布[zhiku66.com].mp4 [27.17MB]

11-通电螺线管外部的磁场分布实验要点[zhiku66.com].mp4 [25.68MB]

12-电磁铁[zhiku66.com].mp4 [37.32MB]

13-影响电磁铁磁性强弱的因素[zhiku66.com].mp4 [41.88MB]

14-电磁继电器[zhiku66.com].mp4 [35.21MB]

15-电磁继电器的应用[zhiku66.com].mp4 [25.46MB]

16-综合难题-机动车违规拍摄系统[zhiku66.com].mp4 [22.88MB]

17-综合难题-自动控温装置(上)[zhiku66.com].mp4 [16.58MB]

18-综合难题-自动控温装置(下)[zhiku66.com].mp4 [21.25MB]

8-电磁相互作用及应用（11课）

01-电磁感应现象[zhiku66.com].mp4 [30.31MB]

02-电磁感应的条件[zhiku66.com].mp4 [33.27MB]

03-发电机的诞生[zhiku66.com].mp4 [26.39MB]

04-发电机与交流电[zhiku66.com].mp4 [33.11MB]

05-总结：控制变量法[zhiku66.com].mp4 [27.19MB]

06-探究磁生电的条件[zhiku66.com].mp4 [26.46MB]

07-磁生电的条件实验要点[zhiku66.com].mp4 [21.70MB]

08-工作原理问题[zhiku66.com].mp4 [24.89MB]

09-磁场对通电导线的作用[zhiku66.com].mp4 [25.79MB]

10-导线受力方向[zhiku66.com].mp4 [31.42MB]

11-电动机[zhiku66.com].mp4 [28.88MB]

物.初3下-教科（10课）

9-家庭用电（10课）

01-家庭电路[zhiku66.com].mp4 [40.30MB]

02-火线和零线[zhiku66.com].mp4 [28.85MB]

03-测电笔[zhiku66.com].mp4 [35.27MB]

04-家用电器的总功率过大[zhiku66.com].mp4 [38.07MB]

05-家庭电路的短路[zhiku66.com].mp4 [33.23MB]

06-电压越高越危险[zhiku66.com].mp4 [20.04MB]

07-低压触电[zhiku66.com].mp4 [27.99MB]

08-高压电弧触电[zhiku66.com].mp4 [11.64MB]

09-安全用电原则[zhiku66.com].mp4 [23.26MB]

10-注意防雷[zhiku66.com].mp4 [29.63MB]