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110自然五上第三單元

Authored by 李政導 李政導

Science

5th Grade

Used 5+ times

110自然五上第三單元
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40 questions

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1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

只有將物品的溫度保持在高溫狀態的裝置,才能夠稱為保溫裝置。

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

保溫裝置只能讓物品的溫度維持高溫,無法維持低溫。

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

天氣熱時,用扇子搧風會覺得涼快,主要是運用熱的對流原理來散熱。

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

比較不同的材質或裝置,具有較好的保溫效果的材料,通常也會有較好的保冷效果。

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

阿騰自製兩個保溫裝置,各裝入相同溫度的熱水,一段時間後,水溫下降少的表示熱散失得少,保溫效果愈差。

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

保溫瓶只能讓熱水保溫,不能讓冰水保溫。

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

屋頂裝置通風球是裝飾用,無法增加空氣對流來散熱。

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