Y4 科学 Daycare

Quiz
•
Science
•
4th Grade
•
Medium
Sam Yi
Used 8+ times
FREE Resource
12 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
筷子应用了哪种简单的机械原理?
滾子
斜面
滑轮
杠杆
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
杠杆上施力的位置是__。
支点
重点
力点
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
支撑杠杆的转动中心是__。
重点
支点
力点
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
重物負荷的位置是__。
重点
支点
力点
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
哪一种工具不属于於杠杆原理的应用?
剪刀
镊子
面包夾
温度计
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
使用哪一種杠杆工具時,通常是「費力」的?
利用斜口钳子剪铁线
用开瓶器打開瓶盖
用裁紙刀裁紙
用镊子夾棉花
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
杠杆一共有几类
1
2
3
4
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