五年级科学:单元七:生锈

Quiz
•
Education
•
5th Grade
•
Medium
CHEE WEI SOON
Used 10+ times
FREE Resource
30 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
什么是生锈?
铁制品表面出现光泽
铜制品表面出现光泽
铁制品表面出现红褐色粉末
铁制品接触到二氧化碳后的变化
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下哪项是导致铁制品生锈的因素?
油
漆
氧气
水和空气
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
根据以上的观察结果,哪项物体最有可能生锈了?
P和Q
P和R
Q和R
R和S
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
上图显示一个锁头的情况。
如果没有处理生锈部分而继续使用将会怎样?
会断裂
会更耐用
会更坚固
没有变化
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
哪项物体不会生锈?
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
榆中把图钉放入一个装有干氯化钙的试管,然后用木塞封住。三天后,他发现图钉没有生锈。
根据以上说明,作出推断。
图钉生锈的速度很慢
图钉是不会生锈的物品
图钉没有接触到二氧化碳
图钉没有接触到水和空气
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
静怡将铁定放入液体X里,一个星期后铁钉依然没有生锈。
哪项最有可能是液体X?
露水
汽油
矿泉水
碳酸饮料
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