冷縮熱脹
Quiz by P3 GS
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6 questions
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- Q1以下哪種東西遇熱會膨脹?氣體、 金屬、空氣0-4度的水30s
- Q2以下哪些物品是優良導熱體?30s
- Q3為什麼煮熟的餃子會浮起?因為餃子內有液體,這些液體受熱膨脹增加餃子的浮力,所以會浮起來。因為餃子內有氣體,這些氣體受熱膨脹,增加餃子的浮力,所以會浮起來。因為餃子內有液體,這些液體受熱收縮,增加餃子的浮力,所以會浮起來。30s
- Q4「優良導熱體的物料適合用來製作保溫瓶,因為良好導熱體的傳熱速度較快有助保溫」是否正確?對錯30s
- Q5「高溫令人燙傷,低溫不會令人受傷」這句話對嗎?對錯30s
- Q6為什麼凹陷了的乒乓球,若放進熱水中,會回復原狀?因為乒乓球內的空氣受冷收縮因為乒乓球收縮因為乒乓球內的空氣受熱膨脹30s