单元七:生锈的因素
Quiz
•
Science
•
5th Grade
•
Medium
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下哪些物品会生锈?
I. 金戒指
II. 塑料瓶
III. 剪刀
IV. 栏杆
I 和 II
II 和 III
I 和 IV
III 和 IV
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
哪项不是生锈物品的表面特征?
闪闪发亮
粗糙不平
失去光泽
布满红褐色的粉末物质
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
导致铁制品生锈的原因是什么?
I. 水
II. 空气
III. 阳光
IV. 铁
I 和 II
I 和 III
II 和 IV
III 和 IV
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下图显示一项实验。
为什么一个星期后图钉没有生锈?
干氯化钙吸取了空气。
干氯化钙吸取了水分。
干氯化钙吸取了空气中的水分。
干氯化钙吸取了空气中的氧气。
Tags
NGSS.MS-PS1-2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下哪些铁钉会生锈?
K 和 L
L 和 M
J, K 和 L
K, L 和 M
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下图显示学生用橡皮泥把铁钉粘在容器里,然后把容器倒置在装有水的盆里。
虽然铁钉没有之间接触到水,但几天后还是生锈了。你可以作出什么结论?
容器里有空气和水蒸气
水阻止容器里的空气流到外面
铁钉是用容易生锈的材料制成的
铁钉在封闭的空间里最容易生锈
Tags
NGSS.MS-PS1-2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
哪项有关生锈的说明是正确的?
铁制品生锈后会变得不坚固和不耐用。
所有金属制成品都不会生锈。
铁制品生锈后,质量会减少。
在缺乏水和空气的情况下,铁制品也会生锈。
Tags
NGSS.MS-PS1-5
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