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自然六下1-2 B

Authored by 張 協世

Science

6th Grade

Used 4+ times

自然六下1-2 B
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46 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

以鏈條相接的大齒輪、小齒輪組,大齒輪轉動3齒,小齒輪會轉動幾齒?

3齒
多於3齒
少於3齒
不一定

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

尖嘴鉗是應用槓桿原理的工具。

×

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

窗簾的軌道上通常裝有定滑輪,可以既省力又方便的拉動窗簾。

×

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

只要是利用槓桿原理的工具,都可以達到省力的效果。

×

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

進行槓桿實驗時,當施力臂固定,且抗力大小相同時,抗力臂越長,就越省力。

×

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

有些運用槓桿原理的工具,使用時雖然不能省力,但可以使我們操作時更便利。

×

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

兩個相鄰且互相咬合的齒輪,其中一個轉動時,另一個也會跟著轉動,而且轉動的圈數一定會相同。

×

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