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大班科学优秀教案及教学反思《迷彩的伪装》

  • 2026-07-17 21:27:30
大班科学优秀教案及教学反思《迷彩的伪装》

目标:

  1、通过观看录像,了解伪装的含义。

  2、能大胆设想并综合运用多种材料伪装自己和他人。

准备:

  1、录像带;不同颜色的衣服;油性化妆颜料;毛笔;不同颜色的染料;不同颜色的纸;国旗一面;磁带(我是一个兵)。

  2、有小山坡的绿地。

过程:

  1、欣赏录像。

  教:今天,我带来一部很吸引人的录像,我们一同来欣赏吧。

  提问:在录像中你看到了谁?“本文来源:屈,老;师教案.网”他们在干什么?

  (解放军,在作战。)

  他们的服饰是什么样的?

  (迷彩的)

  叔叔们在作战的过程中为什么要穿这样的衣服带这样的帽子呢?

  (这样不易被人发现)

  小结:这种将自己隐藏起来的方法我们称为——伪装。

  在我们身边还有许多小动物也运用了

  这种方法躲过了敌人的追杀。你们知道有谁运用了这种伪装的方法吗?

  (变色龙会随周围的颜色而改变自己的颜色;蛇会将自己的身体颜色随着季节的变化改变自己的颜色;美丽的蝴蝶躲在花丛中让我们也很难辨????)

  2、探索活动。

  师:一会儿,我们要到户为完成一个很艰巨的任务——穿越敌人的封锁线,为了能够顺利完成任务,在穿越中不被敌人发现,我们须做好哪些准备?

  (户外)

  在这,我为你们提供了这么多材料,如何将这些材料进行加工做成伪装自己的材料呢?请你们自己想办法吧!

  (1)教师出示各种物品,让幼儿尝试给自己或他人伪装。

  (2)幼儿选择服饰、染料、油彩进行伪装化妆,教师观察、引导。

  3、穿越封锁线。

  师:现在的我们一切准备就绪,

  看,在那边的山头上我们的国旗正随风飘扬,在穿越敌人的封锁线的途中,千万要小心,不要被敌人发现,战士们我们在国旗下会面。

  (1)放音乐幼儿穿越封锁线,教师担当“敌人”。

  (2)教师讲伪装不好的幼儿安置在身旁。

  (3)幼儿欢呼。

  4、小结。

  师生围坐草坪上,一同随音乐,作舒展运动。

  (同时)提问:为什么在穿越封锁线中,某某小朋友被“敌人”发现了呢?

  幼儿讨论。

  5、整理现场。

活动反思

  在活动中,幼儿们很有兴趣,我也充分给了幼儿自由的空间,让幼儿自主的探索、去创造,使幼儿的探索事物的兴趣增强,尝试观察事物的方法在创新,他们的想象和创造在丰富。在操作时,通过自由组合,让幼儿体验到合作的力量和成功的快乐,幼儿玩得不亦悦乎而且意犹未尽。 纵观整个活动,让我深深感悟到:教师要在幼儿的学习过程中善于发现幼儿的兴趣点,只有抓住幼儿兴趣点,才能让幼儿把更多的热情投注到学习中。

教案原文链接地址

https://www.qulaoshi.com/daban/kexue/39227/

(长按复制上面网址,用手机或电脑的浏览器打开。)

福利:公众号内回复【领图片】可以免费获取两千张PPT图片素材哦~

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  1. CONNECT:[ UseTime:0.000963s ] mysql:host=127.0.0.1;port=3306;dbname=a_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001027s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.010358s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000290s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000634s ]
  6. SELECT * FROM `set` [ RunTime:0.000235s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000735s ]
  8. SELECT * FROM `article` WHERE `id` = 516261 LIMIT 1 [ RunTime:0.001117s ]
  9. UPDATE `article` SET `lasttime` = 1784815150 WHERE `id` = 516261 [ RunTime:0.016991s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.003050s ]
  11. SELECT * FROM `article` WHERE `id` < 516261 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.001145s ]
  12. SELECT * FROM `article` WHERE `id` > 516261 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.009348s ]
  13. SELECT * FROM `article` WHERE `id` < 516261 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.002772s ]
  14. SELECT * FROM `article` WHERE `id` < 516261 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.027523s ]
  15. SELECT * FROM `article` WHERE `id` < 516261 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.004316s ]
0.246643s