
下-單元1_巧妙的施力工具
Authored by lin johnarp5806
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6th Grade

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60 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
冰只能利用冰箱的冷凍庫製作,在實驗桌上是無法製作。
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2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
吃火鍋時會利用夾子夾食物,這是屬於費力的槓桿工具。
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3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
翹翹板是一種運用槓桿原理設計的遊戲裝置。
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4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
雖然開瓶器是費力的槓桿工具,但是具有方便打開飲料瓶蓋的優點。
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5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
利用動滑輪拉物體時,手拉起的只有物體。
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6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
透過定滑輪的幫忙,可以站在低處就將物體移至高處。
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7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
進行輪軸實驗時,輪和軸上的線纏繞方向要相反,才能達到手往上拉,物體也往上移動的目的。
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