
J1上Chap7
Authored by 曼妮 李
Science
8th Grade

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38 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列选项中,物体和物质的对应错误的是( )。【古作1_J1上7】
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
当将一铁环加热时,下列哪一项保持不变?【古作2_J1上7】
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
布朗运动证实了( )。【古作3_J1上7】
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
物质三态会表现出不同的特性是和其中粒子的下列哪项条件有显著关系?【古作4_J1上7】
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列哪些是为了防止热胀冷缩的危害?【古作5_J1上7】
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
有一钢制的卷尺,如果它在天气冷的时候刻度是准确的,那么在天气热的时候,用它去测量某物质的长度,其测量值将会?【古作6_J1上7】
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
一片正方形铜片,中央处有正圆缺口,此铜片均匀受热后,中央的缺口会如何变化?【古作7_J1上7】
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