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2026年八上物理期中考前冲刺【物态变化考点填空】,考试必考,抓紧掌握!

  • 2026-10-31 16:41:30
2026年八上物理期中考前冲刺【物态变化考点填空】,考试必考,抓紧掌握!

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老师今天整理了2026年八上物理期中考前冲刺【物态变化考点填空】,考试必考,抓紧掌握!

八上物理期中考前冲刺【物态变化考点填空】

班级:姓名:

1.洒在地面上的水不见了:汽化—蒸发

2.擦在皮肤上的酒精马上干了:汽化—蒸发

3.游泳上岸后身上感觉冷:汽化—蒸发

4.烧开一壶水:汽化—沸腾

5.夏天,冰棍周围冒“白气”:液化

6.夏天,水缸外层“出汗”:液化

7.早晨,草木上的小水滴:液化

8.早晨的浓雾、露水:液化

9.夏天,从冰箱里拿出来的饮料罐“出汗”:液化

10.洗热水澡后,卫生间的玻璃变得模糊不清,一会儿又变得清晰起来:先液化后汽化

11.用电热水器烧水,沸腾时不断有“白汽”冒出:先汽化后液化

12.高温加热碘,碘的体积变小:升华

13.衣箱中的樟脑丸渐渐变小:升华

14.冬天,室外冰冻的衣服也会干:升华

15.寒冷的冬天,堆的雪人变小了:升华

16.灯丝钨丝变细:升华

17.干冰固态二氧化碳用来人工降雨:升华

18.冬天,玻璃窗内表面上形成的冰花或“窗花”:凝华

19.屋顶的瓦上结了一层霜:凝华

20.北方冬天的树挂:凝华

21.春天冰雪消融:熔化

22.夏天冰棒冒“白气”:液化

23.秋天早晨草叶上的露珠:液化

24.冬天窗户上的冰花:凝华

25.湿衣服晾干:汽化

26.钢水变成钢锭:凝固

27.樟脑丸变小:升华

28.雾的形成:液化

29.霜的形成:凝华

30.用久了的灯泡变黑:先升华后凝华

31.秋天树叶上的露水蒸发:汽化

32.冬天玻璃上的冰花消失:升华

33.春天河里的冰融化:熔化

34.夏天冰棍包装纸上的水珠:液化

35.秋天早晨的雾在太阳出来后消散:汽化

36.冬天室外的冰冻衣服晾干:升华

37.湿毛巾挂在通风处干得快:汽化

38.夏天游泳后上岸感觉冷:汽化

39.秋天树叶上的霜在阳光下融化:熔化

40.冬天窗上的冰在室内一侧融化:熔化

41.霜的形成:水蒸气→固态冰晶,是凝华现象。

42.露的形成:水蒸气→液态水,是液化现象。

43.雾的形成:水蒸气→液态小水滴,是液化现象。

44.云的形成:水蒸气液化或凝华成小水滴或小冰晶,是液化或凝华现象。

45.雨的形成:云中小水滴变大落下,本质是液化形成的。

46.雪的形成:水蒸气→固态冰晶,是凝华现象。

47.冰化成水:熔化

48.水结成冰:凝固

49.夏天自来水管“出汗”:液化

50.冬天口中呼出的“白气”:液化

51.舞台上干冰制造的“烟雾”:先升华后液化

52.烧开水时壶嘴冒出的“白气”:液化

53.冬天树上的雾凇:凝华

54.雪的形成:凝华

55.雨的形成:先液化后凝固再熔化或液化

56.夏天从冰糕上滴落的水滴:熔化

57.冰粒变成雨滴降落下来:熔化

58.修柏油马路时,用大熔灶熔沥青:熔化

59.冰放在太阳下,一会儿就变成了水:熔化

60.将钢放在炼钢炉内,一会儿就变成了钢水:熔化

61.纯水凝结,结成冰块:凝固

62.钢水浇铸成车轮:凝固

63.雪灾中电线杆结起了冰柱:凝固

64.钢水烧铸成火车轮:凝固

65.火山喷发:先熔化后凝固

66.秋天,清晨的雾在太阳出来后散去:汽化—蒸发

67.春天雪水渗入土壤:熔化

68.夏天冰镇汽水瓶外壁的水珠:液化

69.秋天早晨的露水在阳光下消失:汽化

70.冬天室外的雪人部分融化后重新结冰:先熔化后凝固

71.物质从固态变成液态的过程叫熔化,需要吸热。

72.物质从液态变成固态的过程叫凝固,需要放热。

73.物质从液态变成气态的过程叫汽化,需要吸热。

74.物质从气态变成液态的过程叫液化,需要放热。

75.物质从固态直接变成气态的过程叫升华,需要吸热。

76.物质从气态直接变成固态的过程叫凝华,需要放热。

77.熔化、汽化、升华是吸热过程,使周围环境温度降低。

78.凝固、液化、凝华是放热过程,向周围环境释放热量。

79.晶体熔化时有固定的温度,这个温度叫熔点。

80.晶体凝固时也有固定的温度,这个温度叫凝固点。

81.非晶体没有固定的熔点和凝固点。

82.汽化的两种方式:蒸发和沸腾。

83.蒸发是在任何温度下,只在液体表面发生的缓慢汽化现象。

84.沸腾是在一定温度沸点下,在液体内部和表面同时发生的剧烈汽化现象。

85.影响蒸发快慢的因素:液体温度、液体表面积、液体表面空气流速。

86.液化有两种方法:降低温度和压缩体积。

87.所有的“白气”、“白雾”都是水蒸气液化形成的小水滴。

88.水蒸气是看不见的无色气体。

89.六种物态变化的吸放热简记:三吸熔化、汽化、升华三放凝固、液化、凝华。

90.判断物态变化的关键:看清初始状态和最终状态。

91.南方雪灾中见到的雾淞:凝华

92.灯泡钨丝发黑:凝华

93.雪糕纸中发现的“白粉”:凝华

94.干冰固态二氧化碳用来打造绝妙的舞台效果:先升华后液化

95.秋天早晨的霜消失:升华

96.冬天堆的雪人逐渐变小:升华

97.湿布擦过的桌面变干:汽化

98.水烧开时壶盖被顶起:汽化;水变成水蒸气

99.冬天呼出的气变白雾后消失:先液化后汽化

100.夏天地面洒水降温:汽化

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  1. CONNECT:[ UseTime:0.000670s ] mysql:host=172.18.0.4;port=3306;dbname=www_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000921s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000467s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000425s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000764s ]
  6. SELECT * FROM `set` [ RunTime:0.000378s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000840s ]
  8. SELECT * FROM `article` WHERE `id` = 532340 LIMIT 1 [ RunTime:0.000619s ]
  9. UPDATE `article` SET `lasttime` = 1793454004 WHERE `id` = 532340 [ RunTime:0.002340s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000401s ]
  11. SELECT * FROM `article` WHERE `id` < 532340 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000581s ]
  12. SELECT * FROM `article` WHERE `id` > 532340 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000512s ]
  13. SELECT * FROM `article` WHERE `id` < 532340 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000682s ]
  14. SELECT * FROM `article` WHERE `id` < 532340 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000720s ]
  15. SELECT * FROM `article` WHERE `id` < 532340 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000957s ]
0.085097s