(达州专版)2019中考物理第二单元热现象第4课时温度物态变化复习课件.ppt

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第二单元 热现象,学生用书P14,第4课时 温度 物态变化,沸水,冷热,冰水混合物,液体的热胀冷缩,稳定,量程,分度值,相平,0.1,3542,吸热,固态,液态,熔点,不变,变大,不断上升,熔点,熔点,吸,放,低,温度,表面积,流速,沸点,吸热,不变,高,放,放,吸,学生用书P15,温度计的玻璃泡碰到了烧杯底部,98,由小变大,32,热胀冷缩,内能,汽化,液化,汽化,凝华,【正解】 A,学生用书P16,D,D,B,A,A,D,A,D,A,醋全部汽化,60,不会,60,扩散,汽化,液化,汽化,凝固,放热,液化,A,B,液化,升华,97,C,先升高,后不变,再升高,甲,使物质均匀受热,68 ,继续吸热但温度不变,A,不可行,

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