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動手學科學/物質科學Ⅱ/活動內容與探究問題 - 修訂歷史
2026-04-19T06:14:23Z
本 Wiki 上此頁面的修訂歷史
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丁志仁 於 2025年4月14日 (一) 03:23
2025-04-14T03:23:27Z
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<td colspan="2" style="background-color: white; color:black; text-align: center;">於 2025年4月14日 (一) 03:23 的修訂</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l71" >行 71：</td>
<td colspan="2" class="diff-lineno">行 71：</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><tr></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><tr></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><th rowspan=7>掉落的紙</th></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><th rowspan=7>掉落的紙</th></div></td></tr>
<tr><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: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><th rowspan=6>夾百元：老師放下百元，讓學員夾百元<br/><img src='http://science4everyone.net/file/張又懿/<del class="diffchange diffchange-inline">夾百元_工作區域%201</del>.png' width='130' height='130' /></th></div></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><th rowspan=6>夾百元：老師放下百元，讓學員夾百元<br/><img src='http://science4everyone.net/file/張又懿/<ins class="diffchange diffchange-inline">夾百元_工作區域1</ins>.png' width='130' height='130' /></th></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><td>您跟您身邊的人之間有沒有重力吸引？為什麼您感覺不到？</td></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><td>您跟您身邊的人之間有沒有重力吸引？為什麼您感覺不到？</td></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><td>有，兩個具有質量的物體間都會有重力。因為重力常數非常小，數量級以標準單位來看大概是10<sup>-11</sup>次方</td></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><td>有，兩個具有質量的物體間都會有重力。因為重力常數非常小，數量級以標準單位來看大概是10<sup>-11</sup>次方</td></div></td></tr>
</table>
丁志仁
http://science4everyone.net/MediaWiki/index.php?title=%E5%8B%95%E6%89%8B%E5%AD%B8%E7%A7%91%E5%AD%B8/%E7%89%A9%E8%B3%AA%E7%A7%91%E5%AD%B8%E2%85%A1/%E6%B4%BB%E5%8B%95%E5%85%A7%E5%AE%B9%E8%88%87%E6%8E%A2%E7%A9%B6%E5%95%8F%E9%A1%8C&diff=8122&oldid=prev
丁志仁 於 2024年10月30日 (三) 07:20
2024-10-30T07:20:53Z
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<td colspan="2" style="background-color: white; color:black; text-align: center;">於 2024年10月30日 (三) 07:20 的修訂</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l1" >行 1：</td>
<td colspan="2" class="diff-lineno">行 1：</td></tr>
<tr><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: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>[[分類:動手學科學/<del class="diffchange diffchange-inline">物質科學/2022公開課</del>]]</div></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>[[分類:動手學科學/<ins class="diffchange diffchange-inline">物質科學Ⅱ</ins>]]</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;"></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;"></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><table class=nicetable width='700'></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><table class=nicetable width='700'></div></td></tr>
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丁志仁
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黃鈴諭 於 2022年9月30日 (五) 02:24
2022-09-30T02:24:27Z
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<td colspan="2" style="background-color: white; color:black; text-align: center;">於 2022年9月30日 (五) 02:24 的修訂</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l26" >行 26：</td>
<td colspan="2" class="diff-lineno">行 26：</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><tr></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><tr></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><th rowspan=3>啄木鳥</th></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><th rowspan=3>啄木鳥</th></div></td></tr>
<tr><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: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><th rowspan=3>放下鳥體，鳥體緩慢落下<br/><img src='http://science4everyone.net/file/蕭聿程/wk01%20啄木鳥玩具4.jpg' width='140' height='<del class="diffchange diffchange-inline">150</del>' /></th></div></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><th rowspan=3>放下鳥體，鳥體緩慢落下<br/><img src='http://science4everyone.net/file/蕭聿程/wk01%20啄木鳥玩具4.jpg' width='140' height='<ins class="diffchange diffchange-inline">160</ins>' /></th></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><td>為何玩具啄木鳥會振動？</td></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><td>為何玩具啄木鳥會振動？</td></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><td>因為木片、竹片或環繞鐵絲的彈性，使玩具啄木鳥往復振動。</td></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><td>因為木片、竹片或環繞鐵絲的彈性，使玩具啄木鳥往復振動。</td></div></td></tr>
</table>
黃鈴諭
http://science4everyone.net/MediaWiki/index.php?title=%E5%8B%95%E6%89%8B%E5%AD%B8%E7%A7%91%E5%AD%B8/%E7%89%A9%E8%B3%AA%E7%A7%91%E5%AD%B8%E2%85%A1/%E6%B4%BB%E5%8B%95%E5%85%A7%E5%AE%B9%E8%88%87%E6%8E%A2%E7%A9%B6%E5%95%8F%E9%A1%8C&diff=7778&oldid=prev
黃鈴諭 於 2022年9月30日 (五) 02:23
2022-09-30T02:23:59Z
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<td colspan="2" style="background-color: white; color:black; text-align: center;">於 2022年9月30日 (五) 02:23 的修訂</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l26" >行 26：</td>
<td colspan="2" class="diff-lineno">行 26：</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><tr></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><tr></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><th rowspan=3>啄木鳥</th></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><th rowspan=3>啄木鳥</th></div></td></tr>
<tr><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: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><th rowspan=3>放下鳥體，鳥體緩慢落下<br/><img src='http://science4everyone.net/file/蕭聿程/wk01%20啄木鳥玩具4.jpg' width='140' height='<del class="diffchange diffchange-inline">140</del>' /></th></div></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><th rowspan=3>放下鳥體，鳥體緩慢落下<br/><img src='http://science4everyone.net/file/蕭聿程/wk01%20啄木鳥玩具4.jpg' width='140' height='<ins class="diffchange diffchange-inline">150</ins>' /></th></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><td>為何玩具啄木鳥會振動？</td></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><td>為何玩具啄木鳥會振動？</td></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><td>因為木片、竹片或環繞鐵絲的彈性，使玩具啄木鳥往復振動。</td></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><td>因為木片、竹片或環繞鐵絲的彈性，使玩具啄木鳥往復振動。</td></div></td></tr>
</table>
黃鈴諭
http://science4everyone.net/MediaWiki/index.php?title=%E5%8B%95%E6%89%8B%E5%AD%B8%E7%A7%91%E5%AD%B8/%E7%89%A9%E8%B3%AA%E7%A7%91%E5%AD%B8%E2%85%A1/%E6%B4%BB%E5%8B%95%E5%85%A7%E5%AE%B9%E8%88%87%E6%8E%A2%E7%A9%B6%E5%95%8F%E9%A1%8C&diff=7777&oldid=prev
黃鈴諭 於 2022年9月30日 (五) 02:22
2022-09-30T02:22:33Z
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<td colspan="2" style="background-color: white; color:black; text-align: center;">於 2022年9月30日 (五) 02:22 的修訂</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l26" >行 26：</td>
<td colspan="2" class="diff-lineno">行 26：</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><tr></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><tr></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><th rowspan=3>啄木鳥</th></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><th rowspan=3>啄木鳥</th></div></td></tr>
<tr><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: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><th rowspan=3>放下鳥體，鳥體緩慢落下<br/><img src='http://science4everyone.net/file/蕭聿程/wk01%20啄木鳥玩具4.jpg' width='140' height='<del class="diffchange diffchange-inline">130</del>' /></th></div></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><th rowspan=3>放下鳥體，鳥體緩慢落下<br/><img src='http://science4everyone.net/file/蕭聿程/wk01%20啄木鳥玩具4.jpg' width='140' height='<ins class="diffchange diffchange-inline">140</ins>' /></th></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><td>為何玩具啄木鳥會振動？</td></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><td>為何玩具啄木鳥會振動？</td></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><td>因為木片、竹片或環繞鐵絲的彈性，使玩具啄木鳥往復振動。</td></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><td>因為木片、竹片或環繞鐵絲的彈性，使玩具啄木鳥往復振動。</td></div></td></tr>
</table>
黃鈴諭
http://science4everyone.net/MediaWiki/index.php?title=%E5%8B%95%E6%89%8B%E5%AD%B8%E7%A7%91%E5%AD%B8/%E7%89%A9%E8%B3%AA%E7%A7%91%E5%AD%B8%E2%85%A1/%E6%B4%BB%E5%8B%95%E5%85%A7%E5%AE%B9%E8%88%87%E6%8E%A2%E7%A9%B6%E5%95%8F%E9%A1%8C&diff=7776&oldid=prev
黃鈴諭 於 2022年9月30日 (五) 02:22
2022-09-30T02:22:12Z
<p></p>
<table class="diff diff-contentalign-left" data-mw="interface">
<col class="diff-marker" />
<col class="diff-content" />
<col class="diff-marker" />
<col class="diff-content" />
<tr style="vertical-align: top;" lang="zh-TW">
<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 2022年9月30日 (五) 02:22 的修訂</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l26" >行 26：</td>
<td colspan="2" class="diff-lineno">行 26：</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><tr></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><tr></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><th rowspan=3>啄木鳥</th></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><th rowspan=3>啄木鳥</th></div></td></tr>
<tr><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: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><th rowspan=3>放下鳥體，鳥體緩慢落下<br/><img src='http://science4everyone.net/file/蕭聿程/wk01%20啄木鳥玩具4.jpg' width='<del class="diffchange diffchange-inline">150</del>' height='<del class="diffchange diffchange-inline">100</del>' /></th></div></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><th rowspan=3>放下鳥體，鳥體緩慢落下<br/><img src='http://science4everyone.net/file/蕭聿程/wk01%20啄木鳥玩具4.jpg' width='<ins class="diffchange diffchange-inline">140</ins>' height='<ins class="diffchange diffchange-inline">130</ins>' /></th></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><td>為何玩具啄木鳥會振動？</td></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><td>為何玩具啄木鳥會振動？</td></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><td>因為木片、竹片或環繞鐵絲的彈性，使玩具啄木鳥往復振動。</td></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><td>因為木片、竹片或環繞鐵絲的彈性，使玩具啄木鳥往復振動。</td></div></td></tr>
</table>
黃鈴諭
http://science4everyone.net/MediaWiki/index.php?title=%E5%8B%95%E6%89%8B%E5%AD%B8%E7%A7%91%E5%AD%B8/%E7%89%A9%E8%B3%AA%E7%A7%91%E5%AD%B8%E2%85%A1/%E6%B4%BB%E5%8B%95%E5%85%A7%E5%AE%B9%E8%88%87%E6%8E%A2%E7%A9%B6%E5%95%8F%E9%A1%8C&diff=7775&oldid=prev
黃鈴諭 於 2022年9月30日 (五) 02:21
2022-09-30T02:21:00Z
<p></p>
<table class="diff diff-contentalign-left" data-mw="interface">
<col class="diff-marker" />
<col class="diff-content" />
<col class="diff-marker" />
<col class="diff-content" />
<tr style="vertical-align: top;" lang="zh-TW">
<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 2022年9月30日 (五) 02:21 的修訂</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l26" >行 26：</td>
<td colspan="2" class="diff-lineno">行 26：</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><tr></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><tr></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><th rowspan=3>啄木鳥</th></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><th rowspan=3>啄木鳥</th></div></td></tr>
<tr><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: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><th rowspan=3>放下鳥體，鳥體緩慢落下<br/><img src='http://science4everyone.net/file/蕭聿程/wk01%20啄木鳥玩具4.jpg' width='150' <del class="diffchange diffchange-inline">weight</del>='100' /></th></div></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><th rowspan=3>放下鳥體，鳥體緩慢落下<br/><img src='http://science4everyone.net/file/蕭聿程/wk01%20啄木鳥玩具4.jpg' width='150' <ins class="diffchange diffchange-inline">height</ins>='100' /></th></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><td>為何玩具啄木鳥會振動？</td></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><td>為何玩具啄木鳥會振動？</td></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><td>因為木片、竹片或環繞鐵絲的彈性，使玩具啄木鳥往復振動。</td></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><td>因為木片、竹片或環繞鐵絲的彈性，使玩具啄木鳥往復振動。</td></div></td></tr>
<tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l71" >行 71：</td>
<td colspan="2" class="diff-lineno">行 71：</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><tr></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><tr></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><th rowspan=7>掉落的紙</th></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><th rowspan=7>掉落的紙</th></div></td></tr>
<tr><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: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><th rowspan=6>夾百元：老師放下百元，讓學員夾百元<br/><img src='http://science4everyone.net/file/張又懿/夾百元_工作區域%201.png' width='<del class="diffchange diffchange-inline">150</del>' height='<del class="diffchange diffchange-inline">150</del>' /></th></div></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><th rowspan=6>夾百元：老師放下百元，讓學員夾百元<br/><img src='http://science4everyone.net/file/張又懿/夾百元_工作區域%201.png' width='<ins class="diffchange diffchange-inline">130</ins>' height='<ins class="diffchange diffchange-inline">130</ins>' /></th></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><td>您跟您身邊的人之間有沒有重力吸引？為什麼您感覺不到？</td></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><td>您跟您身邊的人之間有沒有重力吸引？為什麼您感覺不到？</td></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><td>有，兩個具有質量的物體間都會有重力。因為重力常數非常小，數量級以標準單位來看大概是10<sup>-11</sup>次方</td></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><td>有，兩個具有質量的物體間都會有重力。因為重力常數非常小，數量級以標準單位來看大概是10<sup>-11</sup>次方</td></div></td></tr>
<tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l109" >行 109：</td>
<td colspan="2" class="diff-lineno">行 109：</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><tr></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><tr></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><th rowspan=5>倒與不倒</th></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><th rowspan=5>倒與不倒</th></div></td></tr>
<tr><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: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><th>不倒酒瓶<br/><img src='http://jendo.org/uploadFiles/s4e/黃鈴諭/不倒酒瓶.png' width='<del class="diffchange diffchange-inline">150</del>' height='100' /></th></div></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><th>不倒酒瓶<br/><img src='http://jendo.org/uploadFiles/s4e/黃鈴諭/不倒酒瓶.png' width='<ins class="diffchange diffchange-inline">140</ins>' height='100' /></th></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><td>請在圖中畫一條線(推測)，通過「不倒酒瓶組」的重心與支撐點，並以文字加以說明。</td></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><td>請在圖中畫一條線(推測)，通過「不倒酒瓶組」的重心與支撐點，並以文字加以說明。</td></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><td>兩者重心的重力對於支點會力矩平衡。</td></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><td>兩者重心的重力對於支點會力矩平衡。</td></div></td></tr>
<tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l152" >行 152：</td>
<td colspan="2" class="diff-lineno">行 152：</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><tr></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><tr></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><th rowspan=3>竹蜻蜓</th></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><th rowspan=3>竹蜻蜓</th></div></td></tr>
<tr><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: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><th rowspan=3>以打包帶與簡單的吸管製作成為竹蜻蜓<br/><img src='http://science4everyone.net/file/張又懿/竹蜻蜓.jpg' width=<del class="diffchange diffchange-inline">150 </del>height='100'/></th></div></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><th rowspan=3>以打包帶與簡單的吸管製作成為竹蜻蜓<br/><img src='http://science4everyone.net/file/張又懿/竹蜻蜓.jpg' width=<ins class="diffchange diffchange-inline">140 </ins>height='100'/></th></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><td>使竹蜻蜓飛升的原理是什麼？</td></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><td>使竹蜻蜓飛升的原理是什麼？</td></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><td>利用上下氣流流速不同的壓力差產生升力</td></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><td>利用上下氣流流速不同的壓力差產生升力</td></div></td></tr>
<tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l218" >行 218：</td>
<td colspan="2" class="diff-lineno">行 218：</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><tr></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><tr></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><th rowspan=3>漂浮鐵鎚</th></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><th rowspan=3>漂浮鐵鎚</th></div></td></tr>
<tr><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: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><th><img src='http://jendo.org/uploadFiles/s4e/黃鈴諭/漂浮鐵鎚.png' width='<del class="diffchange diffchange-inline">150</del>' height='100' /></th></div></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><th><img src='http://jendo.org/uploadFiles/s4e/黃鈴諭/漂浮鐵鎚.png' width='<ins class="diffchange diffchange-inline">140</ins>' height='100' /></th></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><td>為什麼懸掉鐵鎚的尺不會傾倒到桌子以外？</td></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><td>為什麼懸掉鐵鎚的尺不會傾倒到桌子以外？</td></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><td>只要物體的重心在支撐點的正上方或正下方，物體就可以維持平衡。此例中，支撐點(面)在桌面上方與尺接觸的那一片空間；而鐵鎚的大多數重量位於鎚頭上，使得「尺、線、鐵鎚聯合體」的重心，位於桌面下方，且剛好在支撐面的正下方，此時支撐點(面)左方的力矩與右方的力距剛好相等，系統就會維持平衡。</td></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><td>只要物體的重心在支撐點的正上方或正下方，物體就可以維持平衡。此例中，支撐點(面)在桌面上方與尺接觸的那一片空間；而鐵鎚的大多數重量位於鎚頭上，使得「尺、線、鐵鎚聯合體」的重心，位於桌面下方，且剛好在支撐面的正下方，此時支撐點(面)左方的力矩與右方的力距剛好相等，系統就會維持平衡。</td></div></td></tr>
</table>
黃鈴諭
http://science4everyone.net/MediaWiki/index.php?title=%E5%8B%95%E6%89%8B%E5%AD%B8%E7%A7%91%E5%AD%B8/%E7%89%A9%E8%B3%AA%E7%A7%91%E5%AD%B8%E2%85%A1/%E6%B4%BB%E5%8B%95%E5%85%A7%E5%AE%B9%E8%88%87%E6%8E%A2%E7%A9%B6%E5%95%8F%E9%A1%8C&diff=7774&oldid=prev
黃鈴諭 於 2022年9月30日 (五) 02:13
2022-09-30T02:13:54Z
<p></p>
<table class="diff diff-contentalign-left" data-mw="interface">
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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 2022年9月30日 (五) 02:13 的修訂</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l133" >行 133：</td>
<td colspan="2" class="diff-lineno">行 133：</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;"></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;"></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><tr></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><tr></div></td></tr>
<tr><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: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><th>竹籤平衡鳥<br/><img src='http://science4everyone.net/file/張又懿/平衡鳥.jpg' width='<del class="diffchange diffchange-inline">150</del>' height='150' /></th></div></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><th>竹籤平衡鳥<br/><img src='http://science4everyone.net/file/張又懿/平衡鳥.jpg' width='<ins class="diffchange diffchange-inline">120</ins>' height='150' /></th></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><td>竹籤平衡鳥為什麼可以達成平衡？</td></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><td>竹籤平衡鳥為什麼可以達成平衡？</td></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><td>只要物體的重心在支撐點的正上方或正下方，物體就可以維持平衡。竹籤平衡鳥利用黏土配重，使整隻竹籤平衡鳥的重心位於支撐點的下方，經過幾次擺動調整，平衡鳥的重心會漸漸擺到支撐點的正下方。</td></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><td>只要物體的重心在支撐點的正上方或正下方，物體就可以維持平衡。竹籤平衡鳥利用黏土配重，使整隻竹籤平衡鳥的重心位於支撐點的下方，經過幾次擺動調整，平衡鳥的重心會漸漸擺到支撐點的正下方。</td></div></td></tr>
</table>
黃鈴諭
http://science4everyone.net/MediaWiki/index.php?title=%E5%8B%95%E6%89%8B%E5%AD%B8%E7%A7%91%E5%AD%B8/%E7%89%A9%E8%B3%AA%E7%A7%91%E5%AD%B8%E2%85%A1/%E6%B4%BB%E5%8B%95%E5%85%A7%E5%AE%B9%E8%88%87%E6%8E%A2%E7%A9%B6%E5%95%8F%E9%A1%8C&diff=7773&oldid=prev
黃鈴諭 於 2022年9月30日 (五) 02:12
2022-09-30T02:12:30Z
<p></p>
<table class="diff diff-contentalign-left" data-mw="interface">
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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 2022年9月30日 (五) 02:12 的修訂</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l71" >行 71：</td>
<td colspan="2" class="diff-lineno">行 71：</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><tr></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><tr></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><th rowspan=7>掉落的紙</th></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><th rowspan=7>掉落的紙</th></div></td></tr>
<tr><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: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><th rowspan=6>夾百元：老師放下百元，讓學員夾百元<br/><img src='http://science4everyone.net/file/張又懿/夾百元_工作區域%201.png' width='<del class="diffchange diffchange-inline">100</del>' height='150' /></th></div></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><th rowspan=6>夾百元：老師放下百元，讓學員夾百元<br/><img src='http://science4everyone.net/file/張又懿/夾百元_工作區域%201.png' width='<ins class="diffchange diffchange-inline">150</ins>' height='150' /></th></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><td>您跟您身邊的人之間有沒有重力吸引？為什麼您感覺不到？</td></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><td>您跟您身邊的人之間有沒有重力吸引？為什麼您感覺不到？</td></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><td>有，兩個具有質量的物體間都會有重力。因為重力常數非常小，數量級以標準單位來看大概是10<sup>-11</sup>次方</td></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><td>有，兩個具有質量的物體間都會有重力。因為重力常數非常小，數量級以標準單位來看大概是10<sup>-11</sup>次方</td></div></td></tr>
</table>
黃鈴諭
http://science4everyone.net/MediaWiki/index.php?title=%E5%8B%95%E6%89%8B%E5%AD%B8%E7%A7%91%E5%AD%B8/%E7%89%A9%E8%B3%AA%E7%A7%91%E5%AD%B8%E2%85%A1/%E6%B4%BB%E5%8B%95%E5%85%A7%E5%AE%B9%E8%88%87%E6%8E%A2%E7%A9%B6%E5%95%8F%E9%A1%8C&diff=7771&oldid=prev
黃鈴諭 於 2022年9月30日 (五) 02:09
2022-09-30T02:09:18Z
<p></p>
<table class="diff diff-contentalign-left" data-mw="interface">
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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 2022年9月30日 (五) 02:09 的修訂</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l71" >行 71：</td>
<td colspan="2" class="diff-lineno">行 71：</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><tr></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><tr></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><th rowspan=7>掉落的紙</th></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><th rowspan=7>掉落的紙</th></div></td></tr>
<tr><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: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><th rowspan=6>夾百元：老師放下百元，讓學員夾百元<br/><img src='http://science4everyone.net/file/張又懿/夾百元_工作區域%201.png' width='<del class="diffchange diffchange-inline">150</del>' height='150' /></th></div></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><th rowspan=6>夾百元：老師放下百元，讓學員夾百元<br/><img src='http://science4everyone.net/file/張又懿/夾百元_工作區域%201.png' width='<ins class="diffchange diffchange-inline">100</ins>' height='150' /></th></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><td>您跟您身邊的人之間有沒有重力吸引？為什麼您感覺不到？</td></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><td>您跟您身邊的人之間有沒有重力吸引？為什麼您感覺不到？</td></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><td>有，兩個具有質量的物體間都會有重力。因為重力常數非常小，數量級以標準單位來看大概是10<sup>-11</sup>次方</td></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><td>有，兩個具有質量的物體間都會有重力。因為重力常數非常小，數量級以標準單位來看大概是10<sup>-11</sup>次方</td></div></td></tr>
<tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l109" >行 109：</td>
<td colspan="2" class="diff-lineno">行 109：</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><tr></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><tr></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><th rowspan=5>倒與不倒</th></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><th rowspan=5>倒與不倒</th></div></td></tr>
<tr><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: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><th>不倒酒瓶<br/><img src='http://jendo.org/uploadFiles/s4e/黃鈴諭/不倒酒瓶.png' width=150 <del class="diffchange diffchange-inline">weight</del>=<del class="diffchange diffchange-inline">* </del>/></th></div></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><th>不倒酒瓶<br/><img src='http://jendo.org/uploadFiles/s4e/黃鈴諭/不倒酒瓶.png' width=<ins class="diffchange diffchange-inline">'</ins>150<ins class="diffchange diffchange-inline">' height</ins>=<ins class="diffchange diffchange-inline">'100' </ins>/></th></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><td>請在圖中畫一條線(推測)，通過「不倒酒瓶組」的重心與支撐點，並以文字加以說明。</td></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><td>請在圖中畫一條線(推測)，通過「不倒酒瓶組」的重心與支撐點，並以文字加以說明。</td></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><td>兩者重心的重力對於支點會力矩平衡。</td></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><td>兩者重心的重力對於支點會力矩平衡。</td></div></td></tr>
<tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l133" >行 133：</td>
<td colspan="2" class="diff-lineno">行 133：</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;"></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;"></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><tr></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><tr></div></td></tr>
<tr><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: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><th>竹籤平衡鳥<br/><img src='http://science4everyone.net/file/張又懿/平衡鳥.jpg' width=150 <del class="diffchange diffchange-inline">weight</del>=<del class="diffchange diffchange-inline">* </del>/></th></div></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><th>竹籤平衡鳥<br/><img src='http://science4everyone.net/file/張又懿/平衡鳥.jpg' width=<ins class="diffchange diffchange-inline">'</ins>150<ins class="diffchange diffchange-inline">' height</ins>=<ins class="diffchange diffchange-inline">'150' </ins>/></th></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><td>竹籤平衡鳥為什麼可以達成平衡？</td></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><td>竹籤平衡鳥為什麼可以達成平衡？</td></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><td>只要物體的重心在支撐點的正上方或正下方，物體就可以維持平衡。竹籤平衡鳥利用黏土配重，使整隻竹籤平衡鳥的重心位於支撐點的下方，經過幾次擺動調整，平衡鳥的重心會漸漸擺到支撐點的正下方。</td></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><td>只要物體的重心在支撐點的正上方或正下方，物體就可以維持平衡。竹籤平衡鳥利用黏土配重，使整隻竹籤平衡鳥的重心位於支撐點的下方，經過幾次擺動調整，平衡鳥的重心會漸漸擺到支撐點的正下方。</td></div></td></tr>
<tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l152" >行 152：</td>
<td colspan="2" class="diff-lineno">行 152：</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><tr></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><tr></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><th rowspan=3>竹蜻蜓</th></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><th rowspan=3>竹蜻蜓</th></div></td></tr>
<tr><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: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><th rowspan=3>以打包帶與簡單的吸管製作成為竹蜻蜓<br/><img src='http://science4everyone.net/file/張又懿/竹蜻蜓.jpg' width=150 <del class="diffchange diffchange-inline">weight</del>=<del class="diffchange diffchange-inline">*</del>/></th></div></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><th rowspan=3>以打包帶與簡單的吸管製作成為竹蜻蜓<br/><img src='http://science4everyone.net/file/張又懿/竹蜻蜓.jpg' width=150 <ins class="diffchange diffchange-inline">height</ins>=<ins class="diffchange diffchange-inline">'100'</ins>/></th></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><td>使竹蜻蜓飛升的原理是什麼？</td></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><td>使竹蜻蜓飛升的原理是什麼？</td></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><td>利用上下氣流流速不同的壓力差產生升力</td></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><td>利用上下氣流流速不同的壓力差產生升力</td></div></td></tr>
<tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l218" >行 218：</td>
<td colspan="2" class="diff-lineno">行 218：</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><tr></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><tr></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><th rowspan=3>漂浮鐵鎚</th></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><th rowspan=3>漂浮鐵鎚</th></div></td></tr>
<tr><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: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><th><img src='http://jendo.org/uploadFiles/s4e/黃鈴諭/漂浮鐵鎚.png' width=150 <del class="diffchange diffchange-inline">weight</del>=<del class="diffchange diffchange-inline">* </del>/></th></div></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><th><img src='http://jendo.org/uploadFiles/s4e/黃鈴諭/漂浮鐵鎚.png' width=<ins class="diffchange diffchange-inline">'</ins>150<ins class="diffchange diffchange-inline">' height</ins>=<ins class="diffchange diffchange-inline">'100' </ins>/></th></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><td>為什麼懸掉鐵鎚的尺不會傾倒到桌子以外？</td></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><td>為什麼懸掉鐵鎚的尺不會傾倒到桌子以外？</td></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><td>只要物體的重心在支撐點的正上方或正下方，物體就可以維持平衡。此例中，支撐點(面)在桌面上方與尺接觸的那一片空間；而鐵鎚的大多數重量位於鎚頭上，使得「尺、線、鐵鎚聯合體」的重心，位於桌面下方，且剛好在支撐面的正下方，此時支撐點(面)左方的力矩與右方的力距剛好相等，系統就會維持平衡。</td></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><td>只要物體的重心在支撐點的正上方或正下方，物體就可以維持平衡。此例中，支撐點(面)在桌面上方與尺接觸的那一片空間；而鐵鎚的大多數重量位於鎚頭上，使得「尺、線、鐵鎚聯合體」的重心，位於桌面下方，且剛好在支撐面的正下方，此時支撐點(面)左方的力矩與右方的力距剛好相等，系統就會維持平衡。</td></div></td></tr>
<tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l230" >行 230：</td>
<td colspan="2" class="diff-lineno">行 230：</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;"></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;"></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><tr></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><tr></div></td></tr>
<tr><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: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><td>不規則的剛體如右圖：<span><img src='https://upload.wikimedia.org/wikipedia/commons/thumb/1/15/Center_gravity_0.svg/198px-Center_gravity_0.svg.png' width=99 height=96/></span><br/><span><img src='https://upload.wikimedia.org/wikipedia/commons/thumb/c/cf/Center_gravity_1.svg/245px-Center_gravity_1.svg.png' width=116 height=100/></span><span><img src='https://upload.wikimedia.org/wikipedia/commons/thumb/0/05/Center_gravity_2.svg/210px-Center_gravity_2.svg.png' width=100 height=118/></span></td></div></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><td>不規則的剛體如右圖：<span><img src='https://upload.wikimedia.org/wikipedia/commons/thumb/1/15/Center_gravity_0.svg/198px-Center_gravity_0.svg.png' width=99 height=96/></span><br/><span><img src='https://upload.wikimedia.org/wikipedia/commons/thumb/c/cf/Center_gravity_1.svg/245px-Center_gravity_1.svg.png' width=<ins class="diffchange diffchange-inline">'</ins>116<ins class="diffchange diffchange-inline">' </ins>height=<ins class="diffchange diffchange-inline">'</ins>100<ins class="diffchange diffchange-inline">'</ins>/></span><span><img src='https://upload.wikimedia.org/wikipedia/commons/thumb/0/05/Center_gravity_2.svg/210px-Center_gravity_2.svg.png' width=<ins class="diffchange diffchange-inline">'</ins>100<ins class="diffchange diffchange-inline">' </ins>height=<ins class="diffchange diffchange-inline">'</ins>118<ins class="diffchange diffchange-inline">'</ins>/></span></td></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><td>怎麼找出不規則剛體的重心？</td></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><td>怎麼找出不規則剛體的重心？</td></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><td>先找一個端點黏上一條細線，拉起直線，使物體自由下墜，待停止不動便能找到第一條延伸自細線的直線(鉛垂線)，將此直線畫在物體上，隨後再找第二個端點，以同樣方法畫出第二條鉛垂線，兩鉛垂線線會交於一點，即為重心。</td></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><td>先找一個端點黏上一條細線，拉起直線，使物體自由下墜，待停止不動便能找到第一條延伸自細線的直線(鉛垂線)，將此直線畫在物體上，隨後再找第二個端點，以同樣方法畫出第二條鉛垂線，兩鉛垂線線會交於一點，即為重心。</td></div></td></tr>
<tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l298" >行 298：</td>
<td colspan="2" class="diff-lineno">行 298：</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><td>自製磁鐵實驗，使用單極多面磁鐵片的特性，讓具有同樣特性的小怪物人偶在單極多面磁鐵製作的軌道上移動。</td></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><td>自製磁鐵實驗，使用單極多面磁鐵片的特性，讓具有同樣特性的小怪物人偶在單極多面磁鐵製作的軌道上移動。</td></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><td>單極多面磁鐵片上面，是如何排列磁鐵，使得一面磁力很強，另一面磁力很弱？</td></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><td>單極多面磁鐵片上面，是如何排列磁鐵，使得一面磁力很強，另一面磁力很弱？</td></div></td></tr>
<tr><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: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><td>使用海爾貝克陣列，如 <img src='https://upload.wikimedia.org/wikipedia/commons/thumb/6/69/Linear_Halbach_Array_%28Strong_side_up%29.png/640px-Linear_Halbach_Array_%28Strong_side_up%29.png' width=200 height=<del class="diffchange diffchange-inline">* </del>/></td></div></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><td>使用海爾貝克陣列，如 <img src='https://upload.wikimedia.org/wikipedia/commons/thumb/6/69/Linear_Halbach_Array_%28Strong_side_up%29.png/640px-Linear_Halbach_Array_%28Strong_side_up%29.png' width=<ins class="diffchange diffchange-inline">'</ins>200<ins class="diffchange diffchange-inline">' </ins>height=<ins class="diffchange diffchange-inline">'150' </ins>/></td></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></tr></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></tr></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;"></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;"></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><tr></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><tr></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><th rowspan=5>磁浮賽馬</th></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><th rowspan=5>磁浮賽馬</th></div></td></tr>
<tr><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: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><td rowspan=4>自製懸浮磁鐵：<span><img src='https://upload.wikimedia.org/wikipedia/commons/thumb/9/9f/懸浮磁鐵.png/222px-懸浮磁鐵.png' width=<del class="diffchange diffchange-inline">92.5 </del>height=100 /></span></div></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><td rowspan=4>自製懸浮磁鐵：<span><img src='https://upload.wikimedia.org/wikipedia/commons/thumb/9/9f/懸浮磁鐵.png/222px-懸浮磁鐵.png' width=<ins class="diffchange diffchange-inline">'100' </ins>height=<ins class="diffchange diffchange-inline">'</ins>100<ins class="diffchange diffchange-inline">' </ins>/></span></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>*準備一個透明杯</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>*準備一個透明杯</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>*在杯底黏上一塊泡棉</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>*在杯底黏上一塊泡棉</div></td></tr>
</table>
黃鈴諭