想要看清楚小馬達轉動的方向,可以怎麼做?
國小自然4上ch4-3電池玩具

Quiz
•
Physics
•
4th Grade
•
Easy
翰林出版國中自然 翰林出版國中自然
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
放在地上觀察
放進水裡
在軸心上貼上貼紙
向它吹氣
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
小馬達兩側的端子都用電線連接電池的負極時,小馬達會有什麼變化?
順時針方向轉動
不會轉動
轉一下,停一下
逆時針方向轉動
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
遙控汽車可以移動,是因為裡面裝有
木片
小馬達
燈泡
鐵片
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
小瑜將電動釣魚玩具拆開後,不會發現下列哪一個物品?
電池
電線
燈泡
小馬達
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
利用電池的電力可以讓玩具轉動,此種玩具的內部大部分裝有下列哪一種物品?
小馬達
彈簧
燈泡
磁鐵
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
小雲想改變小馬達的轉向,可以改變電池的
大小
種類
廠牌
正、負極方向接法
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
怎麼做可以看清楚小馬達轉動的方向?
放到水裡
裝上扇葉
不要固定它
向它吹氣
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