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01_七年级下册体验课《探索宇宙》.mp4 | 2024-02-29 15:14:11 | 14.35 MB | |
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02_1.1新生命的诞生.mp4 | 2024-02-29 15:14:11 | 26.14 MB | |
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03_1.2走向成熟.mp4 | 2024-02-29 15:14:11 | 23.65 MB | |
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04_1.3动物的生长时期.mp4 | 2024-02-29 15:14:11 | 12.09 MB | |
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05_1.4植物的一生（一）.mp4 | 2024-02-29 15:14:11 | 20.44 MB | |
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06_1.4植物的一生（二）.mp4 | 2024-02-29 15:14:11 | 13.58 MB | |
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07_1.4植物的一生（三）.mp4 | 2024-02-29 15:14:11 | 23.14 MB | |
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08_1.5植物生殖方式的多样性（一）.mp4 | 2024-02-29 15:14:11 | 34.02 MB | |
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09_1.5植物生殖方式的多样性（二）.mp4 | 2024-02-29 15:14:11 | 16.57 MB | |
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10_1.6细菌和真菌的繁殖（一）.mp4 | 2024-02-29 15:14:11 | 28.01 MB | |
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11_1.6细菌和真菌的繁殖（二）.mp4 | 2024-02-29 15:14:11 | 20.18 MB | |
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12_2.1感觉世界.mp4 | 2024-02-29 15:14:11 | 17.14 MB | |
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13_2.2声音的发生和传播.mp4 | 2024-02-29 15:14:11 | 20.75 MB | |
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14_2.3耳和听觉（一）.mp4 | 2024-02-29 15:14:11 | 11.25 MB | |
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15_2.3耳和听觉（二）.mp4 | 2024-02-29 15:14:11 | 9.78 MB | |
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16_2.3耳和听觉（三）.mp4 | 2024-02-29 15:14:11 | 14.6 MB | |
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17_2.4光和颜色（一）.mp4 | 2024-02-29 15:14:11 | 19.32 MB | |
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18_2.4光和颜色（二）.mp4 | 2024-02-29 15:14:11 | 15.56 MB | |
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19_2.5光的反射和折射（一）.mp4 | 2024-02-29 15:14:11 | 13.23 MB | |
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20_2.5光的反射和折射（二）.mp4 | 2024-02-29 15:14:11 | 11.14 MB | |
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21_2.5光的反射和折射（三）.mp4 | 2024-02-29 15:14:11 | 8.13 MB | |
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22_2.6透镜和视觉（一）.mp4 | 2024-02-29 15:14:11 | 12.69 MB | |
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23_2.6透镜和视觉（二）.mp4 | 2024-02-29 15:14:11 | 18.69 MB | |
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24_2.6透镜和视觉（三）.mp4 | 2024-02-29 15:14:11 | 9.41 MB | |
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25_2.6透镜和视觉（四）.mp4 | 2024-02-29 15:14:11 | 13.63 MB | |
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26_3.1机械运动（一）.mp4 | 2024-02-29 15:14:11 | 23.92 MB | |
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27_3.1机械运动（二）.mp4 | 2024-02-29 15:14:11 | 26.16 MB | |
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28_3.2力的存在（一）.mp4 | 2024-02-29 15:14:11 | 22.65 MB | |
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29_3.2力的存在（二）.mp4 | 2024-02-29 15:14:11 | 18.2 MB | |
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30_3.3重力.mp4 | 2024-02-29 15:14:11 | 25.26 MB | |
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31_3.4牛顿第一定律.mp4 | 2024-02-29 15:14:11 | 24.07 MB | |
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32_3.5二力平衡的条件.mp4 | 2024-02-29 15:14:11 | 13.26 MB | |
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33_3.6摩擦力.mp4 | 2024-02-29 15:14:11 | 17.85 MB | |
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34_3.7压强（一）.mp4 | 2024-02-29 15:14:11 | 24.37 MB | |
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35_3.7压强（二）.mp4 | 2024-02-29 15:14:11 | 14.12 MB | |
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36_4.1太阳和月球.mp4 | 2024-02-29 15:14:11 | 24.59 MB | |
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37_4.2地球的自转.mp4 | 2024-02-29 15:14:11 | 20.68 MB | |
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38_4.3地球的绕日运动.mp4 | 2024-02-29 15:14:11 | 28.62 MB | |
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39_4.4月相.mp4 | 2024-02-29 15:14:11 | 9.12 MB | |
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40_4.5-6 日食和月食 太阳系.mp4 | 2024-02-29 15:14:11 | 21.49 MB | |
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41_4.7探索宇宙.mp4 | 2024-02-29 15:14:11 | 14.35 MB |