我们知道物体是怎样受很低的温度影响的。物体也会受高温的影响。当一个物体温度上升时,其形状和尺寸都会改变。 熔点 假如把一支温度计插入一大杯碎冰中,温度计指示出冰的温度是-0.5℃。冰吸收了房间里空气中的热,这时温度计指示出冰的温度正在上升。 当温度计的读数为0℃时,温度计中的液体会停止上升。尽管热量仍在传入冰中,温度在这一点上保持不变。 发生的情况是热量使冰熔化变成液态的水。所有传 We know how objects are affected by very low temperatures. Objects are also affected by high temperatures. When an object rises in temperature, its shape and size will change. Melting Point If a thermometer is inserted into a large glass of crushed ice, the thermometer indicates that the ice temperature is -0.5 ° C. The ice absorbs heat from the air in the room, and the thermometer indicates that the temperature of the ice is rising. When the thermometer reads 0 ° C, the liquid in the thermometer stops rising. Although the heat is still passing into the ice, the temperature remains unchanged at this point. What happens is that the heat melts the ice into liquid water. All pass