
13.好玩的機器
Quiz
•
Science
•
1st - 5th Grade
•
Practice Problem
•
Medium
tsaili ho
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10 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
牙齒在咬蘋果時,把咬合時的上下方向,轉換成橫向的力量,這個簡單的工具就是
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
伐木工人揮動斧頭,把向下的力量轉變成側向的力量,將木柴劈開,這是利用何種簡單機器原理?
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
溜滑梯讓人輕鬆溜下來,很省力,這是利用哪一種機器原理?
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
轉動及壓入螺絲釘,把它壓進木頭裡,比把一根釘子打進木頭裡容易,是運用哪種機器原理
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
坐翹翹板時,你可以輕鬆把對面的朋友舉起來,是因為甚麼機器原理
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
阿基米德說,給我一個支點和甚麼?我可以鏟起整個地球
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
箱子下面裝上輪子,因為輪子底部接觸地面的面積,比箱子底部接觸底面的面積小很多,所以較省力,是因為甚麼較小
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