下列何種物質用酒精燈加熱3分鐘後再冷卻,仍然可以恢復原來的性質和形態?
康軒版六上 2-1物質受熱後的變化-20題-QUIZIZZ平時測驗題

Quiz
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Other
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6th Grade
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Medium
WU CHENG TA
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
玉米粒
木材
奶油
雞蛋
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列哪一個物品或現象不是熱脹冷縮的應用?
橋面的縫隙設計
氣溫計
乒乓球球殼凹陷時持續沖熱水
雞蛋經過加熱可以變熟
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
冬天我們用來取暖的電暖器,是利用下列哪一種方式產生熱,使房間變得暖和?
摩擦
燃燒
通電
太陽能
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
將插有玻璃管並裝滿顏色水的錐形瓶放進熱水中,再放入冰水中,玻璃管內的水位會有什麼變化?
一直下降
一直上升
先上升後下降
先下降後上升
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
利用錐形瓶進行液體的熱脹冷縮實驗時,為什麼要在水中加入顏料呢?
比較美觀
顏料水的體積變化程度比較大
錐形瓶中只能放顏料水
為了方便觀察實驗的結果
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列關於物質變化的敘述,哪一項是不正確的?
冰塊受熱會融化
固體受熱後體積會縮小
溫度計裡的液體受熱時,體積會變大
有些物質受熱後性質改變,即使冷卻也無法復原
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
為什麼持續用熱水沖凹陷的乒乓球表面,可以使凹陷的球殼恢復原狀呢?
乒乓球吸水膨脹
乒乓球殼受熱變軟
乒乓球殼內的氣體受熱膨脹
乒乓球會充滿水而恢復原狀
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