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自然Ch.4

Authored by Kevin Ton

Science

4th Grade

Used 2+ times

自然Ch.4
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32 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

元宵節時,美樂蒂的爸爸送了他一個手提燈籠,他可能會在燈籠裡發現小燈泡。

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2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

燈泡的構造中,會發光的是燈泡玻璃罩中的燈絲。

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3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

小馬達的結構很複雜,因此要把小馬達拆開才能看清楚小馬達軸心的方向。

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4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

小明在電路中連接了一根吸管,結果燈泡不會發亮,代表吸管是電的絕緣體。

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5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

電視、冷氣等家庭電器所需的電量較大,這些電器的電力來源是電力公司。

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6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

電池放入電器裝置內會有一定的方向,否則電器無法啟動。

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7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

要製作電池並聯的電路時,電池的正極要接另一個電池的正極上面;負極則要接在另一個電池的負極上面。

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