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      <title>六年級常識科_上學期第二冊單元一_能量轉換實驗影片分享 by 何思敏老師</title>
      <link>https://padlet.com/xpypssc/5ekjfrlfa9c9l2ut</link>
      <description>請各人自製並上傳展示鉛筆「上鏈」及觀察橡皮圈變化的短片，並簡述過程。觀看同學的作品後，可以互相學習。</description>
      <language>en-us</language>
      <pubDate>2025-09-23 08:08:10 UTC</pubDate>
      <lastBuildDate>2025-09-29 15:44:46 UTC</lastBuildDate>
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      <item>
         <title>活動指引</title>
         <author>xpyphsm</author>
         <link>https://padlet.com/xpypssc/5ekjfrlfa9c9l2ut/wish/3599213623</link>
         <description><![CDATA[<ol><li><p>各人自備一支筆和一條橡皮圈。</p></li><li><p>錄製短片，展示如何對鉛筆進行「上鏈」操作，並記錄橡皮圈在過程中的變化。</p></li><li><p>放開鉛筆，橡皮圈又會有甚麼變化？鉛筆會怎樣？</p></li><li><p>上傳影片並在下方簡要描述你們的實驗過程和觀察結果。</p></li><li><p>觀看其他同學的作品。可以參考學習不同的實驗方法。</p><p><br/></p></li></ol>]]></description>
         <pubDate>2025-09-23 08:08:16 UTC</pubDate>
         <guid>https://padlet.com/xpypssc/5ekjfrlfa9c9l2ut/wish/3599213623</guid>
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      <item>
         <title>譚雅之</title>
         <author>xpyp20094</author>
         <link>https://padlet.com/xpypssc/5ekjfrlfa9c9l2ut/wish/3606642819</link>
         <description><![CDATA[<p>當我把手指和鉛筆穿過橡皮圈，然後捲動鉛筆，橡皮圈會拉緊。</p><p>當我放開鉛筆，鉛筆會轉動。過了大概八秒，鉛筆就會停。</p>]]></description>
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         <pubDate>2025-09-27 07:27:37 UTC</pubDate>
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      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/xpypssc/5ekjfrlfa9c9l2ut/wish/3606951151</link>
         <description><![CDATA[<p>轉動筆之後橡皮圈被拉緊並儲存了能量，這種情況稱為勢能；鬆開手之後橡皮圈會放鬆，䆁放動能，令筆轉動。</p>]]></description>
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         <pubDate>2025-09-27 14:56:07 UTC</pubDate>
         <guid>https://padlet.com/xpypssc/5ekjfrlfa9c9l2ut/wish/3606951151</guid>
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      <item>
         <title>橡皮圈發射現場</title>
         <author></author>
         <link>https://padlet.com/xpypssc/5ekjfrlfa9c9l2ut/wish/3607284554</link>
         <description><![CDATA[<p>3，2，1，發射🚀</p><p>哎呦～</p><p>反正呢就是非常的好玩</p><p>謝謝大家</p>]]></description>
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         <pubDate>2025-09-28 02:03:35 UTC</pubDate>
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      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/xpypssc/5ekjfrlfa9c9l2ut/wish/3607292518</link>
         <description><![CDATA[<p>先把橡皮筋穿上手指上把橡皮筋穿入鉛筆，然後不停轉轉到轉不到為止，最後在放手它就會不停轉</p>]]></description>
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         <pubDate>2025-09-28 02:26:00 UTC</pubDate>
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      <item>
         <title>6C 27</title>
         <author></author>
         <link>https://padlet.com/xpypssc/5ekjfrlfa9c9l2ut/wish/3607492770</link>
         <description><![CDATA[<p>它只旋轉了3秒</p>]]></description>
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         <pubDate>2025-09-28 09:45:11 UTC</pubDate>
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      <item>
         <title>張志恩</title>
         <author>xpyp20098</author>
         <link>https://padlet.com/xpypssc/5ekjfrlfa9c9l2ut/wish/3607575246</link>
         <description><![CDATA[<p>壓力</p><p><br/></p><p><br/></p><p><br/></p><p><br/></p>]]></description>
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         <pubDate>2025-09-28 12:09:00 UTC</pubDate>
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      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/xpypssc/5ekjfrlfa9c9l2ut/wish/3607575613</link>
         <description><![CDATA[<p>當我把橡筋系上然後放開後就會開始轉動 轉動時間達到一二秒</p>]]></description>
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         <pubDate>2025-09-28 12:09:37 UTC</pubDate>
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      <item>
         <title>14</title>
         <author></author>
         <link>https://padlet.com/xpypssc/5ekjfrlfa9c9l2ut/wish/3607621904</link>
         <description><![CDATA[<p>我發現在鉛筆上套上橡皮筋，並轉動橡皮筋，橡皮筋會繃緊，如果松開鉛筆的話，鉛筆就會旋轉三到5秒左右，然後橡皮筋會變松，鉛筆會停止轉動。</p>]]></description>
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         <pubDate>2025-09-28 13:14:48 UTC</pubDate>
         <guid>https://padlet.com/xpypssc/5ekjfrlfa9c9l2ut/wish/3607621904</guid>
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      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/xpypssc/5ekjfrlfa9c9l2ut/wish/3609068815</link>
         <description><![CDATA[<p>把橡皮圈套笔里转到最多 然后放手</p>]]></description>
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         <pubDate>2025-09-29 11:19:05 UTC</pubDate>
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      <item>
         <title>實驗👁️👅👁️</title>
         <author>xpyp19072</author>
         <link>https://padlet.com/xpypssc/5ekjfrlfa9c9l2ut/wish/3609107868</link>
         <description><![CDATA[<p>在鉛筆上把橡皮筋繞緊時，外力做功使橡皮筋發生形變，儲存了彈性勢能，松開後，橡皮筋恢復原狀，彈性勢能轉化為鉛筆的動能，讓它轉動或彈出，整個過程就是彈性勢能轉化為動能的能量轉換😈😈</p>]]></description>
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         <pubDate>2025-09-29 11:47:29 UTC</pubDate>
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      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/xpypssc/5ekjfrlfa9c9l2ut/wish/3609131168</link>
         <description><![CDATA[<p>我發現將橡皮圈套在鉛筆裏，然後轉幾個圈，然後再放手橡皮圈就會不停地轉圈釋放壓力</p>]]></description>
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         <pubDate>2025-09-29 12:03:09 UTC</pubDate>
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         <title></title>
         <author></author>
         <link>https://padlet.com/xpypssc/5ekjfrlfa9c9l2ut/wish/3609411364</link>
         <description><![CDATA[<p>當我持續向一個方向轉動橡皮筋時，轉得圈數愈多，橡皮筋就愈蜷縮，彎曲。當我放手時，橡皮筋和鉛筆馬上向我轉動的相反方向轉動。</p>]]></description>
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         <pubDate>2025-09-29 14:26:17 UTC</pubDate>
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         <title></title>
         <author>xpyp20087</author>
         <link>https://padlet.com/xpypssc/5ekjfrlfa9c9l2ut/wish/3609574731</link>
         <description><![CDATA[<p>當我在一個方向一直去轉動橡皮筋時 如果我轉動的時間和圈數越久 橡皮筋里面储存的能量就越多 在我放手的時候橡皮筋就會快速地向我轉動的反方向轉動</p>]]></description>
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         <pubDate>2025-09-29 15:44:45 UTC</pubDate>
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