一、填空题1．物态变化跟有关，物体状态变化时，一定要吸（或放），但其可能不变。2．下列变化属于什么物态变化？冰变成水水变水蒸汽；水蒸汽变小雪花；向玻璃呵气，玻璃会淌水冰冻衣服可风干；铁水铸成铁模3．液体蒸发快慢的改变决定于4.物体热能改变方式是。它们对物体热的 First, fill in the blank 1. Changes in the state of matter are relevant. When the state of an object changes, it must be absorbed (or released), but it may not change. 2. What are the changes in the following changes? The ice becomes water and water becomes water vapor; the water vapor becomes smaller snowflakes; to the glass, the glass will drown in water; the frozen clothes can be dried; the molten iron is cast into iron molds. The change in the rate of evaporation of the liquid is determined by 4. The change in the thermal energy of the object is. They are hot to objects