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01_七年级上册体验课《地壳变动和火山地震》.mp4 | 2024-02-29 15:14:11 | 24.26 MB | |
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02_1.1科学并不神秘.mp4 | 2024-02-29 15:14:11 | 10.14 MB | |
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03_1.2走进科学实验室（一）.mp4 | 2024-02-29 15:14:11 | 10.9 MB | |
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04_1.2走进科学实验室（二）.mp4 | 2024-02-29 15:14:11 | 11.07 MB | |
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05_1.2走进科学实验室（三）.mp4 | 2024-02-29 15:14:11 | 9.23 MB | |
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06_1.3科学观察.mp4 | 2024-02-29 15:14:11 | 13.99 MB | |
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07_1.4科学测量（一）.mp4 | 2024-02-29 15:14:11 | 28.47 MB | |
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08_1.4科学测量（二）.mp4 | 2024-02-29 15:14:11 | 6.07 MB | |
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09_1.4科学测量（三）.mp4 | 2024-02-29 15:14:11 | 8.78 MB | |
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10_1.5科学探究.mp4 | 2024-02-29 15:14:11 | 20.16 MB | |
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11_2.1生物与非生物.mp4 | 2024-02-29 15:14:11 | 447.75 MB |
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12_2.2细胞（一）.mp4 | 2024-02-29 15:14:11 | 10.73 MB | |
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13_2.2细胞（二）.mp4 | 2024-02-29 15:14:11 | 23.51 MB | |
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14_2.2细胞（三）.mp4 | 2024-02-29 15:14:11 | 19.63 MB | |
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15_2.3生物体的结构层次.mp4 | 2024-02-29 15:14:11 | 27.21 MB | |
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16_2.4常见的动物.mp4 | 2024-02-29 15:14:11 | 22.68 MB | |
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17_2.5常见的植物.mp4 | 2024-02-29 15:14:11 | 12.81 MB | |
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18_2.6物种的多样性.mp4 | 2024-02-29 15:14:11 | 15.71 MB | |
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19_3.1地球的形状和内部结构（一）.mp4 | 2024-02-29 15:14:11 | 19.58 MB | |
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20_3.1地球的形状和内部结构（二）.mp4 | 2024-02-29 15:14:11 | 15.07 MB | |
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21_3.2地球仪和地图（一）.mp4 | 2024-02-29 15:14:11 | 22.57 MB | |
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22_3.2地球仪和地图（二）.mp4 | 2024-02-29 15:14:11 | 13.51 MB | |
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23_3.3组成地壳的岩石.mp4 | 2024-02-29 15:14:11 | 11.5 MB | |
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24_3.4地壳变动和火山地震.mp4 | 2024-02-29 15:14:11 | 24.26 MB | |
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25_3.5泥石流.mp4 | 2024-02-29 15:14:11 | 19.02 MB | |
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26_3.6地球表面的板块（一）.mp4 | 2024-02-29 15:14:11 | 36.2 MB | |
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27_3.6地球表面的板块（二）.mp4 | 2024-02-29 15:14:11 | 25.72 MB | |
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28_3.7地形和地形图.mp4 | 2024-02-29 15:14:11 | 22.88 MB | |
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29_4.1物质的构成.mp4 | 2024-02-29 15:14:11 | 36.46 MB | |
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30_4.2质量的测量.mp4 | 2024-02-29 15:14:11 | 13.65 MB | |
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31_4.3物质的密度.mp4 | 2024-02-29 15:14:11 | 22.64 MB | |
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32_4.4物质的比热（一）.mp4 | 2024-02-29 15:14:11 | 11.26 MB | |
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33_4.4物质的比热（二）.mp4 | 2024-02-29 15:14:11 | 15.38 MB | |
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34_4.5熔化与凝固.mp4 | 2024-02-29 15:14:11 | 9.84 MB | |
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35_4.6汽化与液化.mp4 | 2024-02-29 15:14:11 | 18.04 MB | |
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36_4.7升华与凝华.mp4 | 2024-02-29 15:14:11 | 14.24 MB | |
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37_4.8物理性质和化学性质.mp4 | 2024-02-29 15:14:11 | 29.87 MB |