國小自然6上2-1

國小自然6上2-1

Assessment

Assessment

Created by

Tang Da

Fun

1st - 6th Grade

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10 questions

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1.

Multiple Choice

1 min

5 pts

小銘用銅球和銅環進行固體熱脹冷縮實驗,請問銅球加熱後會產生什麼變化?

顏色變淺

體積變小

溫度降低

體積變大

2.

Multiple Choice

1 min

5 pts

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?

玉米粒

木材

奶油

雞蛋

3.

Multiple Choice

1 min

5 pts

物質熱脹冷縮的變化,主要是因為下列哪一種因素的改變而產生的?

溼度

溫度

空氣

水分

4.

Multiple Choice

1 min

5 pts

下列哪一個用品不是利用通電產生熱呢?

電鍋

烤麵包機

瓦斯爐

電暖器

5.

Multiple Choice

1 min

5 pts

橋梁是由一塊塊的橋面組合而成的,橋面之間都留有縫隙。如果橋面間沒有縫隙,可能會造成什麼現象?

橋梁會更加堅固

橋梁的使用年限會更久

縫隙使橋容易坍塌

夏天時,橋面可能會因為受熱膨脹而相互擠壓變形

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