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Water Phases and the Hydrologic Cycle(闪卡)
Flashcard
•
Science
•
7th Grade
•
Practice Problem
•
Hard
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18 questions
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1.
FLASHCARD QUESTION
Front
地球上水的三种状态是什么?
Back
固态、液态和气态。
2.
FLASHCARD QUESTION
Front
冰中水分子的结构是什么?
Back
在冰中,水分子紧密排列,形成刚性的结构,使它们无法相互移动。
3.
FLASHCARD QUESTION
Front
水分子在液态时如何表现?
Back
在液态时,水分子紧密排列,但可以相互滑动,因此水能够适应容器的形状,而不会膨胀或压缩。
4.
FLASHCARD QUESTION
Front
描述水蒸气分子的行为。
Back
水蒸气分子彼此之间距离较远,运动迅速,因此能够适应容器的形状,并扩展或压缩以充满整个容器。
5.
FLASHCARD QUESTION
Front
什么是熔化(相变)?
Back
Melting is the change from solid to liquid due to added heat.
6.
FLASHCARD QUESTION
Front
什么是相变中的凝固?
Back
Freezing is the change from liquid to solid when heat is removed.
7.
FLASHCARD QUESTION
Front
在相变的背景下,定义升华。
Back
Sublimation is the direct change from solid to gas, bypassing the liquid phase.
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