
六下-自然-作業簿-第3回

Quiz
•
Science
•
6th - 8th Grade
•
Easy
林思蓉 林思蓉
Used 2+ times
FREE Resource
18 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
測物體重量時,彈簧秤的指標不必指在0的位置。
正確
錯誤
2.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
滑輪固定不會移動的裝置,稱為【定滑輪】。
正確
錯誤
3.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
利用滑動輪拉動物體時,施力臂小於抗力臂,因此是費力的工具。
正確
錯誤
4.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
使用一個滑動輪,抬起物體可以達到省力的效果,而且施力與物體移動的方向
正確
錯誤
5.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
日常生活中,為了省力很方便,常常把定滑輪和動滑輪組合使用。
正確
錯誤
6.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
在國旗桿上的裝置是動滑輪,可以方便我們在下方將國旗往上拉。
正確
錯誤
Answer explanation
在國旗桿上的裝置是動滑輪,可以方便我們在下方將國旗往上拉。
答案:旗桿上的是定滑輪。
7.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
以有握柄的螺絲起子為例,握柄的部分半軸較大叫【輪】,金屬棒的部分半徑較小叫【軸】。
正確
錯誤
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