Y512 热胀冷缩
Quiz
•
Physics
•
5th Grade
•
Practice Problem
•
Medium
KFC Science
Used 34+ times
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18 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
下列哪些物体遇热时会膨胀?
S 而已
T 和 U
S 和 U
S, T 和 U
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
上述实验是为了证明 ___________.
热水会膨胀
气体遇热会膨胀
固体遇热会膨胀
液体遇热会膨胀
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
上述实验是为了证明 ___________.
热水会膨胀
气体遇热会膨胀
固体遇热会膨胀
液体遇热会膨胀
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
为什么瓶盖浸入热水后就可以比较轻易的扭开?
塑料瓶软化了。
塑料瓶遇热后膨胀了。
瓶盖遇热后膨胀了。
塑料瓶内的空气遇热膨胀了。
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
小文把乒乓球踩瘪了。
你可以准备下列哪些东西让乒乓球恢复原状?
本生灯和火
柴蜡烛和烧杯
烧杯和沸水
气泵和塑料袋
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
火车铁轨之间留下空隙是为了________。
不让铁轨膨胀
让铁轨有空间膨胀。
不让铁轨的铁轨温度上升。
减少铁轨和车轮之间的摩擦。
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
根据颜色水上升情况来看,这个实验有什么结论?
气体遇热会膨胀
液体遇热会膨胀
玻璃遇热会膨胀
固体遇热会膨胀
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