四年级科学-生锈
Quiz
•
Other
•
1st - 6th Grade
•
Medium
Used 107+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
哪些物品放在院子里一段时间后会生锈?
报纸
铁链
吸水管
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
那种方法可以防止菜刀生锈?
把清洗干净后的菜刀浸泡在盐水中
把清洗干净后的菜刀抹干,然后涂抹一层油
把使用后的菜刀用报纸包裹着,以免菜刀接触到空气
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
以下哪些物品会生锈?
刀片、锡杯
锯子、汽车
银项链、雨鞋
木汤匙、金手镯
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
以下哪些是防锈的方法?
油漆
包裹塑料
涂润滑油
镀不锈金属
以上都是
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