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【全网首发】小学科学四年级上册全册 (课件+教案)

  • 2026-09-21 09:06:07
【全网首发】小学科学四年级上册全册 (课件+教案)

小学科学四年级上册全册 （课件+教案）

第一单元

四年级上册1.1《感受空气》  教案+课件

四年级上册1.2《空气能占据空间吗》教案+课件

四年级上册1.3《空气占据的空间会改变吗》  教案+课件

四年级上册1.4《空气有质量吗》教案+课件

四年级上册1.5《空气流动有力量》教案+课件

四年级上册1.6《我们来做“热气球”》教案+课件

四年级上册1.7《风的成因》教案+课件

四年级上册1.8《自制打气筒》教案+课件

第二单元

四年级上册2.1.《我们的呼吸与消化》（课件+教案）

四年级上册2.2《认识呼吸器官》  （课件+教案）

四年级上册2.3《呼吸的变化》  （课件+教案）

四年级上册2.4《测量肺活量》  （课件+教案）

四年级上册2.5《口腔里的消化》  （课件+教案）

四年级上册2.6《胃和小肠里的消化》  （课件+教案）

四年级上册2.7《食物在身体里的旅行》  （课件+教案）

四年级上册2.8《呵护我们的器官》  （课件+教案）

第三单元

四年级上册3.1《声音是怎样产生的》  教案+课件（可编辑）

四年级上册3.2《声音的强弱》  教案+课件（可编辑）

四年级上册3.3《声音的高低》  教案+课件（可编辑）

四年级上册3.4《乐器的声音变化》  教案+课件（可编辑）

四年级上册3.5《设计我们的乐器》  教案+课件（可编辑）

四年级上册3.6《改进我们的乐器》  教案+课件（可编辑）

四年级上册3.7《声音的传播》  教案+课件（可编辑）

四年级上册3.8《保护听力》  教案+课件（可编辑）

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  1. CONNECT:[ UseTime:0.000571s ] mysql:host=172.18.0.4;port=3306;dbname=a_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000961s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000428s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000357s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000533s ]
  6. SELECT * FROM `set` [ RunTime:0.000285s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000686s ]
  8. SELECT * FROM `article` WHERE `id` = 519240 LIMIT 1 [ RunTime:0.000586s ]
  9. UPDATE `article` SET `lasttime` = 1790157213 WHERE `id` = 519240 [ RunTime:0.001451s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.000332s ]
  11. SELECT * FROM `article` WHERE `id` < 519240 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000429s ]
  12. SELECT * FROM `article` WHERE `id` > 519240 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000398s ]
  13. SELECT * FROM `article` WHERE `id` < 519240 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000556s ]
  14. SELECT * FROM `article` WHERE `id` < 519240 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000504s ]
  15. SELECT * FROM `article` WHERE `id` < 519240 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000555s ]
0.089165s