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新人教版九年级化学第1—11单元同步课件+教学设计(61课时)

  • 2026-04-14 04:07:10
新人教版九年级化学第1—11单元同步课件+教学设计(61课时)

前言

2025 版人教版九年级化学同步精品课件重磅上线！课件紧密贴合2024版人教版教材，内容丰富、形式新颖，以生动的案例和直观的演示助力知识讲解。为初中化学课堂注入活力，有效提升教学效率，欢迎广大教师选用，共同打造高效化学课堂！

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01

走进化学世界

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02

空气和氧气

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03

物质构成的奥秘

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04

自然界的水

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05

化学反应的定量关系

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06

碳和碳的氧化物

07

能源的合理利用与开发

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08

能源的合理利用与开发

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09

溶 液

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10

常见的酸、碱、盐

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11

化学与社会

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  1. CONNECT:[ UseTime:0.000813s ] mysql:host=127.0.0.1;port=3306;dbname=a_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001265s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000606s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000535s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.001037s ]
  6. SELECT * FROM `set` [ RunTime:0.000455s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.001015s ]
  8. SELECT * FROM `article` WHERE `id` = 462963 LIMIT 1 [ RunTime:0.001114s ]
  9. UPDATE `article` SET `lasttime` = 1776655032 WHERE `id` = 462963 [ RunTime:0.009076s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.000695s ]
  11. SELECT * FROM `article` WHERE `id` < 462963 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.001032s ]
  12. SELECT * FROM `article` WHERE `id` > 462963 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000955s ]
  13. SELECT * FROM `article` WHERE `id` < 462963 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.001450s ]
  14. SELECT * FROM `article` WHERE `id` < 462963 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.002787s ]
  15. SELECT * FROM `article` WHERE `id` < 462963 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.002989s ]
0.177387s