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Heat and Temperature: Heat Conduction
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請選擇熱水與冰水杯子間需要放什麼
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<body front="#DEFAULT" marginheight="5" marginwidth="5" face="Verdana">
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<font size="5">小芳想利用不同形狀的金屬棒做為導體,使兩杯裝有冰水與熱水的杯子,在最短時間內達到相同的溫度。 </font>
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<font size="5">所以小芳想要解決的研究問題是:</font><font size="5" color="#FF0000">不同形狀的金屬棒,哪一個能使不同溫度的杯子在最短的時間內達到相同溫度?
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<font size="5">下方左邊為分子模型圖,綠色球代表熱杯子的分子,藍色球代表冷杯子的分子。 </font>
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<font size="5">下方右邊為溫度與時間變化圖 </font>
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<font size="5">小芳選擇了細長金屬棒,並按下開始。 </font>
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<font size="5">請你幫小芳選擇細長金屬棒,並按下開始,觀察下方分子模擬圖與溫度時間變化圖。 </font>
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觀看時間溫度圖
Click to open the Snapshot Gallery to view the snapshot images you have taken.
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時間 (秒)
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上一個
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擷取時間溫度圖
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Script
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Set vacumm between hot and cold.
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粗短金屬棒
Put a thick short bar between hot and cold.
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細短金屬棒
Put a thin short bar between hot and cold.
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Put a thin long bar between hot and cold.
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Put a gas between hot and cold.
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海綿
Put a sponge between hot and cold.
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<font face="Verdana" size="5">小芳的結論是:細長金屬棒可使裝有冷水與熱水的杯子在約20000秒後達到相同的溫度。</font>
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