| 文件 | 时间 | 大小 | 下载 | |
|---|---|---|---|---|
|
01_八年级上册体验课《风和降水》.mp4 | 2024-02-29 15:14:11 | 16.61 MB | |
|
|
02_1.1地球上的水.mp4 | 2024-02-29 15:14:11 | 13.71 MB | |
|
|
03_1.2水的组成.mp4 | 2024-02-29 15:14:11 | 3.18 MB | |
|
|
04_1.3水的浮力（一）.mp4 | 2024-02-29 15:14:11 | 27.21 MB | |
|
|
05_1.3水的浮力（二）.mp4 | 2024-02-29 15:14:11 | 16.25 MB | |
|
|
06_1.3水的浮力（三）.mp4 | 2024-02-29 15:14:11 | 22.72 MB | |
|
|
07_1.4物质在水中的分散状况（一）.mp4 | 2024-02-29 15:14:11 | 11.24 MB | |
|
|
08_1.4物质在水中的分散状况（二）.mp4 | 2024-02-29 15:14:11 | 7.4 MB | |
|
|
09_1.4物质在水中的分散状况（三）.mp4 | 2024-02-29 15:14:11 | 8.04 MB | |
|
|
10_1.4物质在水中的分散状况（四）.mp4 | 2024-02-29 15:14:11 | 9.24 MB | |
|
|
11_1.5物质的溶解（一）.mp4 | 2024-02-29 15:14:11 | 10.92 MB | |
|
|
12_1.5物质的溶解（二）.mp4 | 2024-02-29 15:14:11 | 10.45 MB | |
|
|
13_1.5物质的溶解（三）.mp4 | 2024-02-29 15:14:11 | 12.61 MB | |
|
|
14_1.5物质的溶解（四）.mp4 | 2024-02-29 15:14:11 | 12.09 MB | |
|
|
15_1.5物质的溶解（五）.mp4 | 2024-02-29 15:14:11 | 11.52 MB | |
|
|
16_1.5物质的溶解（六）.mp4 | 2024-02-29 15:14:11 | 9.83 MB | |
|
|
17_1.5物质的溶解（七）.mp4 | 2024-02-29 15:14:11 | 14.37 MB | |
|
|
18_1.5物质的溶解（八）.mp4 | 2024-02-29 15:14:11 | 11.68 MB | |
|
|
19_1.6物质的分离（一）.mp4 | 2024-02-29 15:14:11 | 8.24 MB | |
|
|
20_1.6物质的分离（二）.mp4 | 2024-02-29 15:14:11 | 6.63 MB | |
|
|
21_1.7水资源的利用、开发和保护.mp4 | 2024-02-29 15:14:11 | 6.52 MB | |
|
|
22_2.1大气层.mp4 | 2024-02-29 15:14:11 | 12.12 MB | |
|
|
23_2.2气温.mp4 | 2024-02-29 15:14:11 | 23.83 MB | |
|
|
24_2.3大气的压强（一）.mp4 | 2024-02-29 15:14:11 | 18.22 MB | |
|
|
25_2.3大气的压强（二）.mp4 | 2024-02-29 15:14:11 | 25.06 MB | |
|
|
26_2.4风和降水.mp4 | 2024-02-29 15:14:11 | 16.61 MB | |
|
|
27_2.5天气预报.mp4 | 2024-02-29 15:14:11 | 18.48 MB | |
|
|
28_2.6气候和影响气候的因素.mp4 | 2024-02-29 15:14:11 | 14.34 MB | |
|
|
29_2.7我国的气候特征与主要气象灾害（一）.mp4 | 2024-02-29 15:14:11 | 24.75 MB | |
|
|
30_2.7我国的气候特征与主要气象灾害（二）.mp4 | 2024-02-29 15:14:11 | 24.88 MB | |
|
|
31_3.1植物生命活动的调节.mp4 | 2024-02-29 15:14:11 | 18.35 MB | |
|
|
32_3.2人体的激素调节.mp4 | 2024-02-29 15:14:11 | 21.74 MB | |
|
|
33_3.3神经调节（一）.mp4 | 2024-02-29 15:14:11 | 22.9 MB | |
|
|
34_3.3神经调节（二）.mp4 | 2024-02-29 15:14:11 | 24.18 MB | |
|
|
35_3.4动物的行为.mp4 | 2024-02-29 15:14:11 | 16.72 MB | |
|
|
36_3.5体温的控制.mp4 | 2024-02-29 15:14:11 | 12.73 MB | |
|
|
37_4.1电荷与电流（一）.mp4 | 2024-02-29 15:14:11 | 10.74 MB | |
|
|
38_4.1电荷与电流（二）.mp4 | 2024-02-29 15:14:11 | 14.87 MB | |
|
|
39_4.1电荷与电流（三）.mp4 | 2024-02-29 15:14:11 | 13.54 MB | |
|
|
40_4.2电流的测量（一）.mp4 | 2024-02-29 15:14:11 | 11.38 MB | |
|
|
41_4.2电流的测量（二）.mp4 | 2024-02-29 15:14:11 | 16.63 MB | |
|
|
42_4.3物质的导电性与电阻（一）.mp4 | 2024-02-29 15:14:11 | 9.1 MB | |
|
|
43_4.3物质的导电性与电阻（二）.mp4 | 2024-02-29 15:14:11 | 11.45 MB | |
|
|
44_4.4变阻器.mp4 | 2024-02-29 15:14:11 | 12.27 MB | |
|
|
45_4.5电压的测量（一）.mp4 | 2024-02-29 15:14:11 | 17.39 MB | |
|
|
46_4.5电压的测量（二）.mp4 | 2024-02-29 15:14:11 | 7.45 MB | |
|
|
47_4.6电流与电压、电阻的关系（一）.mp4 | 2024-02-29 15:14:11 | 12.46 MB | |
|
|
48_4.6电流与电压、电阻的关系（二）.mp4 | 2024-02-29 15:14:11 | 9.16 MB | |
|
|
49_4.7电路分析与应用.mp4 | 2024-02-29 15:14:11 | 12.25 MB |