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幼儿园科学之《奇妙的静电》 PPT可编辑

  • 2026-11-05 01:25:33

幼儿园科学之《奇妙的静电》 PPT可编辑

幼儿园科学之《奇妙的静电》 PPT 21页 动态可编辑 带教案（内含反思） 逐字稿 说课稿
教学目标
1.认知目标：知道摩擦可以产生静电，了解冬季静电多发的原因，认识静电在生活中的应用及防静电的方法。
2.能力目标：能够动手操作摩擦起电实验，提升观察力与动手探究能力。
3.情感目标：消除对静电现象的恐惧心理，激发对科学探索的兴趣，养成良好的生活习惯，增强安全用电意识。#幼儿园 #幼儿园课件 #幼儿园老师 #幼儿园PPT #奇妙的静电

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基本 文件 流程 错误 SQL 调试
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  1. CONNECT:[ UseTime:0.000667s ] mysql:host=172.18.0.4;port=3306;dbname=h_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001008s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000498s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000441s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000771s ]
  6. SELECT * FROM `set` [ RunTime:0.000391s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000738s ]
  8. SELECT * FROM `article` WHERE `id` = 565712 LIMIT 1 [ RunTime:0.000422s ]
  9. UPDATE `article` SET `lasttime` = 1794216617 WHERE `id` = 565712 [ RunTime:0.001537s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.000374s ]
  11. SELECT * FROM `article` WHERE `id` < 565712 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000565s ]
  12. SELECT * FROM `article` WHERE `id` > 565712 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000485s ]
  13. SELECT * FROM `article` WHERE `id` < 565712 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000606s ]
  14. SELECT * FROM `article` WHERE `id` < 565712 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000665s ]
  15. SELECT * FROM `article` WHERE `id` < 565712 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000674s ]
0.119082s