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26秋小学科学新四年级上册PPT课件+word教案等-教科

  • 2026-08-24 13:08:51
26秋小学科学新四年级上册PPT课件+word教案等-教科
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小学科学四年级上册备课资料
资料目录
下载拉至二维码处

第一单元 空气

1.感受空气

2.空气能占据空间吗

3.空气占据的空间会改变吗

4.空气有质量吗

5.空气流动有力量

6.我们来做“热气球”

7.风的成因

8.自制打气筒

第二单元 呼吸与消化

1.我们的呼吸与消化

2.认识呼吸器官

3.呼吸的变化

4.测量肺活量

5.口腔里的消化

6.胃和小肠里的消化

7.食物在身体里的旅行

8.呵护我们的器官

第三单元 声音

1.声音是怎样产生的

2.声音的强弱

3.声音的高低

4.乐器的声音变化

5.设计我们的乐器

6.改进我们的乐器

7.声音的传播

8.保护听力

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【原创趣味对外汉语课件】《轻松学中文》第三册第11课:休闲

(7.0系列)优质课件| 选必一:第3课 中国近代至当代政治制度的演变

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  1. CONNECT:[ UseTime:0.000866s ] mysql:host=127.0.0.1;port=3306;dbname=a_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001410s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.006252s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000679s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.001283s ]
  6. SELECT * FROM `set` [ RunTime:0.000604s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.001422s ]
  8. SELECT * FROM `article` WHERE `id` = 525938 LIMIT 1 [ RunTime:0.002240s ]
  9. UPDATE `article` SET `lasttime` = 1787577788 WHERE `id` = 525938 [ RunTime:0.018008s ]
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