温度和温度计Temperature and Thermometer物体的冷热程度叫温度。 通常用摄氏度(℃)来表示热电偶温度计红外测温计Practice one:observing thermometers 1.How many parts does a thermometer have ? 2.What information(信息)can you get from the surface(表面) of the thermometer? 温度计是玻璃制品,小心拿放,谨防破裂!Notice:The structure(结构) of thermometer标记液体玻璃管玻璃泡刻度温度计主要..