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下-單元1_巧妙的施力工具

Authored by lin johnarp5806

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6th Grade

下-單元1_巧妙的施力工具
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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。

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。

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。

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。

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。

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。

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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