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歡迎您訪問星級少年中班務星獲獎感言!

星級少年中班務星獲獎感言

更新時間:2022-02-27 09:09:25作者:admin2

 設計意圖:  1、科學活動,重在讓幼兒體驗科學小原理。而潛水艇的工作原理:就是體積不變,通過改變潛水艇的自身重量,能使潛水艇下潛或上浮。  大班幼兒已具備一定的操作能力,能掌握給潛水艇裝水的操作要求,嘗試讓幼兒發現:裝了水,增加了潛水艇的重量,潛水艇就能潛到水下;而排出了水,減少了潛水艇的重量,潛水艇就能上浮。  完成三次任務的操作比較中,發現增加的水一次比一次多,潛水艇下潛的深度就越來越深的現象,會讓幼兒在活動中感受到探究帶來的樂趣。

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