1.應用槓桿原理所製作的工具,不一定可以省力。

6下複習卷是非

Quiz
•
Science
•
6th Grade
•
Medium
吳康瑜 NamiWu
Used 13+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
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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