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6下複習卷是非

Authored by 吳康瑜 NamiWu

Science

6th Grade

Used 13+ times

6下複習卷是非
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15 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

1.應用槓桿原理所製作的工具,不一定可以省力。

YES

NO

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

2.使用麵包夾時,施力的位置在支點和抗力點中間,所以麵包夾是不能省力的工具,但能方便我們操作。

YES

NO

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

3.使用定滑輪時,施力方向和物體的移動方向會相同。

YES

NO

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

4.利用動滑輪搬運重物,可以省大約一半的力。

YES

NO

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

5.腳踏車的前、後齒輪是以鏈條傳送動力,兩個齒輪轉動方向相反。

YES

NO

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

6.兩個互相咬合且大小不同的齒輪,當大齒輪以順時針方向轉動1齒時,小齒輪會以逆時針方向轉動2齒。

YES

NO

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

7.用高倍放大鏡觀察黴菌,比使用顯微鏡來得清楚。

YES

NO

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