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教科版三上科学水结冰了教案课件,太齐了!

  • 2026-11-06 19:44:24
教科版三上科学水结冰了教案课件,太齐了!

教科版三上科学水结冰了教案课件，太齐了！

这堂三上教科版科学实验探究课的难点就在于现象记录与数据对应。资料包里包含完整的实验指导设计，详细说明了试管标记水面、冰盐加盐降温以及观察记录要点，帮助学生扎实得出0℃凝固与体积增大的结论。

整套方案教案、课件和逐字稿一应俱全，活动分工和安全规范都有交代，实操性很强。

再也不用东拼西凑找资料，省下时间安心带好每一个学生。
#小学科学 #三年级上册 #教科版 #水结冰了 #科学课件 #教学资源 #科学实验 #课件模板 #教师备课 #三上教科版科学

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  1. CONNECT:[ UseTime:0.000828s ] mysql:host=172.18.0.4;port=3306;dbname=a_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000968s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000452s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000403s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000566s ]
  6. SELECT * FROM `set` [ RunTime:0.000318s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000711s ]
  8. SELECT * FROM `article` WHERE `id` = 537868 LIMIT 1 [ RunTime:0.000359s ]
  9. UPDATE `article` SET `lasttime` = 1794132615 WHERE `id` = 537868 [ RunTime:0.001292s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.000349s ]
  11. SELECT * FROM `article` WHERE `id` < 537868 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000509s ]
  12. SELECT * FROM `article` WHERE `id` > 537868 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000434s ]
  13. SELECT * FROM `article` WHERE `id` < 537868 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000626s ]
  14. SELECT * FROM `article` WHERE `id` < 537868 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000674s ]
  15. SELECT * FROM `article` WHERE `id` < 537868 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000766s ]
0.109714s