课程内容
| P5纸杯烧水 详情 | 00:02:00 | ||
| P16观察植物的叶子 详情 | 00:02:00 | ||
| P18番茄的果实里有什么? 详情 | 00:02:00 | ||
| p28寻找纯水 详情 | 00:03:00 | ||
| p29给水变个样 详情 | 00:02:00 | ||
| p30溶解 详情 | 00:02:00 | ||
| p30红墨水在水中溶解 详情 | 00:02:00 | ||
| p31茶叶能溶解在水里吗？ 详情 | 00:02:00 | ||
| p32加快溶解 详情 | 00:04:00 | ||
| p33浊水变清 详情 | 00:02:00 | ||
| p45空气在哪里 详情 | 00:02:00 | ||
| p47空气占据空间 详情 | 00:02:00 | ||
| p47转移空气 详情 | 00:02:00 | ||
| p48压缩空气 详情 | 00:02:00 | ||
| p67观察土壤 详情 | 00:02:00 | ||
| p69研究土壤的组成 详情 | 00:02:00 |
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