[11 教学视频]

### 第一单元视频

[【附件】1.1《有关光的思考》（讲课视频）教科版  周堃.mp4](/media/attachment/2024/09/1.1%E6%9C%89%E5%85%B3%E5%85%89%E7%9A%84%E6%80%9D%E8%80%83%E8%AE%B2%E8%AF%BE%E8%A7%86%E9%A2%91%E6%95%99%E7%A7%91%E7%89%88__%E5%91%A8%E5%A0%83.mp4)
[【附件】1.2《光是怎样传播的》（讲课视频）教科版   周堃.mp4](/media/attachment/2024/09/1.2%E5%85%89%E6%98%AF%E6%80%8E%E6%A0%B7%E4%BC%A0%E6%92%AD%E7%9A%84%E8%AE%B2%E8%AF%BE%E8%A7%86%E9%A2%91%E6%95%99%E7%A7%91%E7%89%88___%E5%91%A8%E5%A0%83.mp4)
[【附件】1.3《光的传播会遇到阻碍吗》（讲课视频）教科版  王小宁.mp4](/media/attachment/2024/09/1.3%E5%85%89%E7%9A%84%E4%BC%A0%E6%92%AD%E4%BC%9A%E9%81%87%E5%88%B0%E9%98%BB%E7%A2%8D%E5%90%97%E8%AE%B2%E8%AF%BE%E8%A7%86%E9%A2%91%E6%95%99%E7%A7%91%E7%89%88__%E7%8E%8B%E5%B0%8F%E5%AE%81.mp4)
[【附件】1.4《光的传播方向会发生改变吗》（讲课视频）教科版  冯承国.mp4](/media/attachment/2024/09/1.4%E5%85%89%E7%9A%84%E4%BC%A0%E6%92%AD%E6%96%B9%E5%90%91%E4%BC%9A%E5%8F%91%E7%94%9F%E6%94%B9%E5%8F%98%E5%90%97%E8%AE%B2%E8%AF%BE%E8%A7%86%E9%A2%91%E6%95%99%E7%A7%91%E7%89%88__%E5%86%AF%E6%89%BF%E5%9B%BD.mp4)
[【附件】1.5《认识棱镜》（讲课视频）教科版   冯承国.mp4](/media/attachment/2024/09/1.5%E8%AE%A4%E8%AF%86%E6%A3%B1%E9%95%9C%E8%AE%B2%E8%AF%BE%E8%A7%86%E9%A2%91%E6%95%99%E7%A7%91%E7%89%88___%E5%86%AF%E6%89%BF%E5%9B%BD.mp4)
[【附件】1.6《光的反射现象》（讲课视频）教科版  马朋朋.mp4](/media/attachment/2024/09/1.6%E5%85%89%E7%9A%84%E5%8F%8D%E5%B0%84%E7%8E%B0%E8%B1%A1%E8%AE%B2%E8%AF%BE%E8%A7%86%E9%A2%91%E6%95%99%E7%A7%91%E7%89%88__%E9%A9%AC%E6%9C%8B%E6%9C%8B.mp4)
[【附件】1.7《制作一个潜望镜》（讲课视频）教科版  马朋朋.mp4](/media/attachment/2024/09/1.7%E5%88%B6%E4%BD%9C%E4%B8%80%E4%B8%AA%E6%BD%9C%E6%9C%9B%E9%95%9C%E8%AE%B2%E8%AF%BE%E8%A7%86%E9%A2%91%E6%95%99%E7%A7%91%E7%89%88__%E9%A9%AC%E6%9C%8B%E6%9C%8B.mp4)
### 第二单元视频

[【附件】2.1《地球的表面》（讲课视频）教科版   杨晓娟.mp4](/media/attachment/2024/09/2.1%E5%9C%B0%E7%90%83%E7%9A%84%E8%A1%A8%E9%9D%A2%E8%AE%B2%E8%AF%BE%E8%A7%86%E9%A2%91%E6%95%99%E7%A7%91%E7%89%88___%E6%9D%A8%E6%99%93%E5%A8%9F.mp4)
[【附件】2.2《地球的结构》（讲课视频）教科版   杨晓娟.mp4](/media/attachment/2024/09/2.2%E5%9C%B0%E7%90%83%E7%9A%84%E7%BB%93%E6%9E%84%E8%AE%B2%E8%AF%BE%E8%A7%86%E9%A2%91%E6%95%99%E7%A7%91%E7%89%88___%E6%9D%A8%E6%99%93%E5%A8%9F.mp4)
[【附件】2.3《地震的成因与作用》（讲课视频）教科版  杨晓娟.mp4](/media/attachment/2024/09/2.3%E5%9C%B0%E9%9C%87%E7%9A%84%E6%88%90%E5%9B%A0%E4%B8%8E%E4%BD%9C%E7%94%A8%E8%AE%B2%E8%AF%BE%E8%A7%86%E9%A2%91%E6%95%99%E7%A7%91%E7%89%88__%E6%9D%A8%E6%99%93%E5%A8%9F.mp4)
[【附件】2.4《火山喷发的成因及作用》（讲课视频）教科版  杨晓娟.mp4](/media/attachment/2024/09/2.4%E7%81%AB%E5%B1%B1%E5%96%B7%E5%8F%91%E7%9A%84%E6%88%90%E5%9B%A0%E5%8F%8A%E4%BD%9C%E7%94%A8%E8%AE%B2%E8%AF%BE%E8%A7%86%E9%A2%91%E6%95%99%E7%A7%91%E7%89%88__%E6%9D%A8%E6%99%93%E5%A8%9F.mp4)
[【附件】2.5《风的作用》（讲课视频）教科版  杨晓娟.mp4](/media/attachment/2024/09/2.5%E9%A3%8E%E7%9A%84%E4%BD%9C%E7%94%A8%E8%AE%B2%E8%AF%BE%E8%A7%86%E9%A2%91%E6%95%99%E7%A7%91%E7%89%88__%E6%9D%A8%E6%99%93%E5%A8%9F.mp4)
[【附件】2.6《水的作用》（讲课视频）教科版  杨晓娟.mp4](/media/attachment/2024/09/2.6%E6%B0%B4%E7%9A%84%E4%BD%9C%E7%94%A8%E8%AE%B2%E8%AF%BE%E8%A7%86%E9%A2%91%E6%95%99%E7%A7%91%E7%89%88__%E6%9D%A8%E6%99%93%E5%A8%9F.mp4)
[【附件】2.7《总结我们的认识》（讲课视频）教科版  杨晓娟.mp4](/media/attachment/2024/09/2.7%E6%80%BB%E7%BB%93%E6%88%91%E4%BB%AC%E7%9A%84%E8%AE%A4%E8%AF%86%E8%AE%B2%E8%AF%BE%E8%A7%86%E9%A2%91%E6%95%99%E7%A7%91%E7%89%88__%E6%9D%A8%E6%99%93%E5%A8%9F.mp4)
### 第三单元视频

[【附件】3.1《时间在流逝》(讲课视频)教科版   张国富.mp4](/media/attachment/2024/09/3.1%E6%97%B6%E9%97%B4%E5%9C%A8%E6%B5%81%E9%80%9D%E8%AE%B2%E8%AF%BE%E8%A7%86%E9%A2%91%E6%95%99%E7%A7%91%E7%89%88___%E5%BC%A0%E5%9B%BD%E5%AF%8C.mp4)
[【附件】3.2《用水计量时间》(讲课视频)  教科版   高晓燕.mp4](/media/attachment/2024/09/3.2%E7%94%A8%E6%B0%B4%E8%AE%A1%E9%87%8F%E6%97%B6%E9%97%B4%E8%AE%B2%E8%AF%BE%E8%A7%86%E9%A2%91__%E6%95%99%E7%A7%91%E7%89%88___%E9%AB%98%E6%99%93%E7%87%95.mp4)
[【附件】3.3《我们的水钟》讲课视频   教科版   高晓燕.mp4](/media/attachment/2024/09/3.3%E6%88%91%E4%BB%AC%E7%9A%84%E6%B0%B4%E9%92%9F%E8%AE%B2%E8%AF%BE%E8%A7%86%E9%A2%91___%E6%95%99%E7%A7%91%E7%89%88___%E9%AB%98%E6%99%93%E7%87%95.mp4)
[【附件】3.4《机械摆钟》讲课视频   教科版   王小宁.mp4](/media/attachment/2024/09/3.4%E6%9C%BA%E6%A2%B0%E6%91%86%E9%92%9F%E8%AE%B2%E8%AF%BE%E8%A7%86%E9%A2%91___%E6%95%99%E7%A7%91%E7%89%88___%E7%8E%8B%E5%B0%8F%E5%AE%81.mp4)
### 第四单元视频