五年级科学 - 生锈(自我复习)

Quiz
•
Science
•
5th Grade
•
Medium
TIEN Moe
Used 205+ times
FREE Resource
10 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
以下哪项是铁制品生锈的特征?
生锈的铁制品的表面是光滑的。
铁制品生锈的部分是潮湿的。
生锈的铁制品的表面有红褐色粉末。
铁制品生锈的部分更坚硬的。
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
以下哪项有关生锈的说明是正确的?
物品生锈后质量会减少。
生锈的物品表面光滑。
物品生锈后体积会变小。
生锈是一种化学反应。
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以上物品会生锈还是不会生锈?
会生锈
不会生锈
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
我把铁钉放入水中,几天后铁钉就会生锈。
以上说明运用了哪些科学程序技能?
确认问题
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预测
假设
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
哪些物品放在院子里一段时间后会生锈?
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
导致铁制品生锈的因素是什么?
I. 水
II. 阳光
III. 空气
IV. 铁
I 和 II
I 和 III
II 和 IV
I ,III 和 IV
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
铁制品在以下哪个液体内不会生锈?
盐水
沸水
可乐
食油
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