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浮沉子(1) - 修訂歷史
2026-04-18T15:19:55Z
本 Wiki 上此頁面的修訂歷史
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彰師大 於 2020年11月18日 (三) 09:20
2020-11-18T09:20:55Z
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<td colspan="2" style="background-color: white; color:black; text-align: center;">於 2020年11月18日 (三) 09:20 的修訂</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l7" >行 7：</td>
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彰師大
http://science4everyone.net/MediaWiki/index.php?title=%E6%B5%AE%E6%B2%89%E5%AD%90(1)&diff=5673&oldid=prev
彰師大 於 2020年11月18日 (三) 09:19
2020-11-18T09:19:02Z
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<td colspan="2" style="background-color: white; color:black; text-align: center;">於 2020年11月18日 (三) 09:19 的修訂</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l7" >行 7：</td>
<td colspan="2" class="diff-lineno">行 7：</td></tr>
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彰師大
http://science4everyone.net/MediaWiki/index.php?title=%E6%B5%AE%E6%B2%89%E5%AD%90(1)&diff=5672&oldid=prev
彰師大 於 2020年11月18日 (三) 09:18
2020-11-18T09:18:21Z
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<td colspan="2" style="background-color: white; color:black; text-align: center;">←上個修訂</td>
<td colspan="2" style="background-color: white; color:black; text-align: center;">於 2020年11月18日 (三) 09:18 的修訂</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l8" >行 8：</td>
<td colspan="2" class="diff-lineno">行 8：</td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div></div></div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div></div></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div><div style="align-items:center;"><img src="#" width=180></div></div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div><div style="align-items:center;"><img src="#" width=180></div></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"></div></ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"></ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">==教案呈現(操作短片)==</ins></div></td></tr>
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彰師大
http://science4everyone.net/MediaWiki/index.php?title=%E6%B5%AE%E6%B2%89%E5%AD%90(1)&diff=5671&oldid=prev
彰師大：已建立頁面，內容為 "<div style="display:flex;justify-content:space-between;"> <div style="align-items:center;width:60%;"> <span style="color:red;"> 原作者：蕭次融<br> 關鍵詞…"
2020-11-18T09:16:21Z
<p>已建立頁面，內容為 "<div style="display:flex;justify-content:space-between;"> <div style="align-items:center;width:60%;"> <span style="color:red;"> 原作者：蕭次融<br> 關鍵詞…"</p>
<p><b>新頁面</b></p><div><div style="display:flex;justify-content:space-between;"><br />
<div style="align-items:center;width:60%;"><br />
<span style="color:red;"><br />
原作者：蕭次融<br><br />
關鍵詞：浮沉子、密度、比重、阿基米得原理、帕斯卡原理<br><br />
</span><br />
<br />
</div><br />
<div style="align-items:center;"><img src="#" width=180></div><br />
</div><br />
<br />
==現象說明==<br />
<div style="display:flex;justify-content:space-between;"><br />
<div style="align-items:center;width:75%;"><br />
:在寶特瓶中的兩個浮沉子，會隨口令沉浮，不僅可以順向沉浮、逆向沉浮、同時並肩沉浮，也可以上下交換，甚至催眠沉下睡覺，施以氣功一躍而上浮。<br />
</div><br />
<div style="align-items:center;"><img src="#" width=180></div><br />
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<br />
==探究問題==<br />
<div style="display:flex;justify-content:space-between;"><br />
<div style="align-items:center;width:75%;"><br />
#浮沉子為什麼會下沉與上浮？<br />
#如何可使浮沉子聽口令沉浮？<br />
#如何使兩個浮沉子同時並肩下沉與上浮？<br />
#如何可使兩個浮沉子上下交換？<br />
#如何可使浮沉子沉在瓶底又使其上浮在水面？<br />
#如何可不倒出瓶內的水，取出沉在瓶底的浮沉子？<br />
</div><br />
<div style="align-items:center;"><img src="#" width=180></div><br />
</div><br />
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<br />
==實作項目==<br />
<div style="display:flex;justify-content:space-between;"><br />
<div style="align-items:center;width:75%;"><br />
使用下列器材製作兩個浮沉子：<br />
:塑膠吸管或塑膠滴管、銅釘（5分）、剪刀、蠟燭、打火機、鉗子。<br />
<br><br><br />
製作兩個浮沉子，用水調整兩個浮沉子的質量一點點不同，使其在寶特瓶內，隨口令下沉上浮。<br />
<br />
</div><br />
<div style="align-items:center;"><img src="#" width=180></div><br />
</div><br />
<br />
<br />
==結果與討論==<br />
<div style="display:flex;justify-content:space-between;"><br />
<div style="align-items:center;width:75%;"><br />
#實作的結果與分析<br><br />
:利用兩個浮沉子質量的稍微差異，以及手壓寶特瓶的力道不同，可操控浮沉子隨口令下沉與上浮。在一節課的實作時間，每人可製作兩個浮沉子，以水調整其質量，以操控其依口令沉浮。<br />
#探究的結果與分析以及問題的答案<br><br />
:在網路或下一頁的遠哲科學趣味競賽：「浮沉子3.0」可以找到。<br />
<br />
<br><br />
</div><br />
<div style="align-items:center;"><img src="#" width=180></div><br />
</div><br />
<br />
<br />
==教學目標==<br />
<div style="display:flex;justify-content:space-between;"><br />
<div style="align-items:center;width:75%;"><br />
#讓學生透過實作與操控浮沉子，體會物體的沉浮原理與潛水艇的沉浮原理類似。<br />
#讓學生學習密度、比重、阿基米得原理以及帕斯卡原理。<br />
#物體沉浮的變因。<br />
<br />
<br />
</div><br />
<div style="align-items:center;"><img src="#" width=180></div><br />
</div><br />
<br />
==參考資料==<br />
<div style="display:flex;justify-content:space-between;"><br />
<div style="align-items:center;width:75%;"><br />
#物理教科書<br />
#網路<br />
#蕭次融、吳原旭、葉士肇，「第26屆遠哲科學趣味競賽手冊」，頁5 ~ 20，遠哲科學教育基金會，台北（2020）。<br />
<br />
<br />
</div><br />
<div style="align-items:center;"><img src="#" width=180></div><br />
</div><br />
==其他==<br />
<div style="display:flex;justify-content:space-between;"><br />
<div style="align-items:center;width:75%;"><br />
:可以採用競賽的方式，提高學生科研的興趣（上述七、參考資料的3）。<br />
</div><br />
<div style="align-items:center;"><img src="#" width=180></div><br />
</div></div>
彰師大