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幼儿园中班科学活动《神奇的传声筒》教案及反思

  • 2026-05-11 01:57:43
幼儿园中班科学活动《神奇的传声筒》教案及反思

中班科学活动《神奇的传声筒》教学设计及反思

一、设计意图

中班孩子特别喜欢和同伴聊天、玩打电话游戏,好奇心强,对身边会发声、能传递声音的东西很感兴趣。本次活动用纸杯、棉线这些简单常见的材料制作传声筒,材料好找、操作简单,适合中班幼儿动手尝试。

在做做玩玩的过程中,让孩子自己动手制作、互相游戏,感受声音可以通过绳子传播,发现拉紧绳子才能听清声音,不仅锻炼小手精细动作,还能愿意和好朋友合作游戏,感受科学小游戏的有趣,萌发探索声音秘密的兴趣。

二、活动重难点

1. 重点:跟着步骤一起动手制作纸杯传声筒,学会合作玩传声筒游戏。

2. 难点:感知声音能通过棉线传播,知道绳子拉紧、拉直才能听得清楚声音。

三、活动目标

1.认知:知道声音可以通过绳子、固体进行传播,发现绳子松紧对声音的影响。

2.技能:能尝试穿孔、穿线、固定木棍,独立完成传声筒制作,锻炼手部动作。

3.情感:喜欢科学小手工,愿意和好朋友合作游戏,体验一起探索、一起玩耍的快乐。

四、活动准备

纸杯、棉线、铅笔、小木棍、成品传声筒

五、活动过程

1.导入激趣

老师出示做好的传声筒,假装打电话和小朋友说话,引发好奇:你们听一听,老师不用大声喊,你能听见我说的话吗?这个神奇的电话是怎么做出来的?引出今天制作传声筒。

2.观察材料,认识做法

一起看一看需要的材料:纸杯、棉线、铅笔、小木棍。

教师简单口语讲解步骤:

第一步:把小木棍绑在棉线两头

第二步:用铅笔在纸杯底部扎小孔

第三步:把木棍从杯子底下穿过去卡紧

第四步:传声筒做好,和好朋友一起打电话

教师边讲边示范,提醒小朋友扎孔小心、不戳到手。

3.幼儿动手制作,教师巡回指导

幼儿自主操作制作传声筒,老师帮忙能力弱的孩子穿孔、穿线。

鼓励孩子认真耐心,遇到困难不放弃。

4.结伴游戏,探索发现

幼儿两人一组拿着传声筒对话、悄悄话。

引导试一试:绳子弯着能不能听见?绳子拉紧能不能听见?

小结:声音会顺着绳子跑过去,绳子拉直拉紧,声音听得更清楚。

5.结束延伸

今天我们自己做了神奇电话,回家可以和爸爸妈妈一起玩,试一试更长的绳子能不能听见声音。

六、活动反思

本次中班科学手工活动孩子们整体兴趣很高,都很喜欢打电话传话的游戏。材料简单安全,大部分幼儿都能跟着步骤完成制作,动手积极性很强,同伴之间互相帮忙、一起合作,氛围很好。

不足的地方:个别小朋友扎孔力气不够,需要老师帮忙;游戏时有的孩子没有把绳子拉直,听不清声音,不太明白其中原因,老师讲解时可以更简单直白一点。

下次开展活动,可以提前帮能力弱的幼儿打好小孔,多留给孩子自主探索的时间,让他们自己对比松紧绳子的区别,感受声音传播的小秘密,游戏时间再增加一点,让幼儿玩得更尽兴。

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  1. CONNECT:[ UseTime:0.000521s ] mysql:host=127.0.0.1;port=3306;dbname=a_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000667s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000333s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.003780s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000715s ]
  6. SELECT * FROM `set` [ RunTime:0.004222s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000847s ]
  8. SELECT * FROM `article` WHERE `id` = 499889 LIMIT 1 [ RunTime:0.004114s ]
  9. UPDATE `article` SET `lasttime` = 1778523049 WHERE `id` = 499889 [ RunTime:0.004090s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.000264s ]
  11. SELECT * FROM `article` WHERE `id` < 499889 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000818s ]
  12. SELECT * FROM `article` WHERE `id` > 499889 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.003122s ]
  13. SELECT * FROM `article` WHERE `id` < 499889 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.008170s ]
  14. SELECT * FROM `article` WHERE `id` < 499889 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.006318s ]
  15. SELECT * FROM `article` WHERE `id` < 499889 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.016556s ]
0.154689s