
Y4 SC 单元八 材料的性质
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Science
4th Grade
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18 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
右图显示两种材料。
哪项是这两种材料的来源?
动物
植物
岩石
石油
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
哪项有材料与物品的搭配是正确的?
毛巾-木材
轮胎-橡胶
橡胶手套-棉
板手-丝
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
哪些材料能够沉在水里?
金属
塑料
木材
橡胶
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
把K材料和L材料放在一盆水里。K材料会吸水,L材料不透水。
K材料和L材料是?
木材,棉
橡胶,木材
棉,塑料
塑料,橡胶
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
右图显示四种物体在水里的位置。
根据右图,哪种物体没有浮力?
P
Q
R
S
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
右图显示根据物体的导电能力分类的树型图。
J和K分别是?
人造布料,铜
塑料,银
砖块,木材
钢,橡胶
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
右图显示一种厨具。
哪项是Q部分的性质?
能吸水
没有浮力
电导体
热的绝缘体
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