文件 | 时间 | 大小 | 下载 | |
---|---|---|---|---|
01.大树小草的区别.ts | 2022-05-25 14:02:18 | 19.46 MB | ||
02.树皮拓片与叶片标本的制作.ts | 2022-05-25 14:02:17 | 30.4 MB | ||
03.水葫芦为什么能浮在水面上?.ts | 2022-05-25 14:02:16 | 21.07 MB | ||
04.仙人球的大肚子.ts | 2022-05-25 14:02:17 | 18.85 MB | ||
05.叶子生长记录.ts | 2022-05-25 14:02:16 | 37.67 MB | ||
06.观察叶子.ts | 2022-05-25 14:02:16 | 21.92 MB | ||
07.叶子为什么会枯萎?.ts | 2022-05-25 14:02:19 | 21.1 MB | ||
08.害羞的含羞草.ts | 2022-05-25 14:02:16 | 29.08 MB | ||
09.会吃虫子的捕蝇草.ts | 2022-05-25 14:02:17 | 14.46 MB | ||
10.捕蝇草的秘密!.ts | 2022-05-25 14:02:17 | 24.89 MB | ||
11.喜欢阳光的植物.ts | 2022-05-25 14:02:15 | 34.59 MB | ||
12.植物的血液.ts | 2022-05-25 14:02:19 | 21.86 MB | ||
13.仙人球.ts | 2022-05-25 14:02:18 | 15.22 MB | ||
14.粘稠的杀手.ts | 2022-05-25 14:02:16 | 20.34 MB | ||
15.捕虫器制作.ts | 2022-05-25 14:02:15 | 13.26 MB | ||
16.寻找小动物.ts | 2022-05-25 14:02:18 | 31.37 MB | ||
17.观察蚂蚁.ts | 2022-05-25 14:02:18 | 12.33 MB | ||
18.观察蜗牛.ts | 2022-05-25 14:02:16 | 43.45 MB | ||
19.观察蚯蚓.ts | 2022-05-25 14:02:19 | 35.02 MB | ||
20.蚂蚁大家族.ts | 2022-05-25 14:02:16 | 29.74 MB | ||
21.动物的共同特征.ts | 2022-05-25 14:02:17 | 37.38 MB | ||
22.蜡烛和蟋蟀.ts | 2022-05-25 14:02:18 | 28.94 MB | ||
23.鱼是怎么呼吸的?.ts | 2022-05-25 14:02:16 | 21.64 MB | ||
24.伪装大师.ts | 2022-05-25 14:02:16 | 27.43 MB | ||
25.镰刀杀手.ts | 2022-05-25 14:02:16 | 19.95 MB | ||
26.毒牙杀手.ts | 2022-05-25 14:02:19 | 22.07 MB | ||
27.吃泡沫的虫子.ts | 2022-05-25 14:02:17 | 38.67 MB | ||
28.虫子的鼻子在哪里?.ts | 2022-05-25 14:02:17 | 25.23 MB | ||
29.蝈蝈的腿为什么会动?.ts | 2022-05-25 14:02:19 | 29.08 MB | ||
30.材料的硬度.ts | 2022-05-25 14:02:17 | 18.75 MB | ||
31.材料的韧性.ts | 2022-05-25 14:02:18 | 27.12 MB | ||
32.材料的吸水能力.ts | 2022-05-25 14:02:15 | 16.27 MB | ||
33.吸水之王——纸.ts | 2022-05-25 14:02:17 | 23 MB | ||
34.纸的一生.ts | 2022-05-25 14:02:16 | 24.05 MB | ||
35.材料在水中的沉浮能力.ts | 2022-05-25 14:02:18 | 21.6 MB | ||
36.材料的导电能力.ts | 2022-05-25 14:02:16 | 21.73 MB | ||
37.材料的导热能力.ts | 2022-05-25 14:02:16 | 27.74 MB | ||
38.陶器、瓷器和砖瓦.ts | 2022-05-25 14:02:19 | 42.92 MB | ||
39.回收纸.ts | 2022-05-25 14:02:18 | 89.96 MB | ||
40.回收塑料.ts | 2022-05-25 14:02:17 | 70.23 MB | ||
41.神奇的纸火锅.ts | 2022-05-25 14:02:16 | 19.5 MB | ||
42.锋利的纸电锯.ts | 2022-05-25 14:02:16 | 26.26 MB | ||
43.坚硬的香蕉锤.ts | 2022-05-25 14:02:17 | 27.4 MB | ||
44.来给袋子分分类.ts | 2022-05-25 14:02:18 | 20.6 MB | ||
45.水和油谁比较重.ts | 2022-05-25 14:02:16 | 18.07 MB | ||
46.液体短跑大赛.ts | 2022-05-25 14:02:19 | 27.15 MB | ||
47.彩虹小杯.ts | 2022-05-25 14:02:17 | 34.37 MB | ||
48.空气在哪呢?.ts | 2022-05-25 14:02:17 | 11.06 MB | ||
49.空气占据空间吗?.ts | 2022-05-25 14:02:16 | 14.04 MB | ||
50.空气占据空间的变化.ts | 2022-05-25 14:02:19 | 17.12 MB | ||
51.空气有重量吗?.ts | 2022-05-25 14:02:17 | 23.35 MB | ||
52.瓶子里的“水球”.ts | 2022-05-25 14:02:15 | 29.57 MB | ||
53.冷热水分层.ts | 2022-05-25 14:02:18 | 24.59 MB | ||
54.彩虹大风车.ts | 2022-05-25 14:02:18 | 15.65 MB | ||
55.停不下来的喷泉.ts | 2022-05-25 14:02:18 | 15.39 MB | ||
56.水往高处流.ts | 2022-05-25 14:02:16 | 16.38 MB | ||
57.不听话的小纸片.ts | 2022-05-25 14:02:17 | 16.38 MB | ||
58.悬浮的乒乓球.ts | 2022-05-25 14:02:17 | 15.72 MB | ||
59.瘪掉的可乐瓶.ts | 2022-05-25 14:02:17 | 20.28 MB |