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1.温度和温度计。(1)温度。温度只与物体的冷热程度有关,与测量者的主观感觉无关。例如冬天放置在室外的铁块和木块,用手摸它们时,会感到铁块比木块冷,实际它们的温度是相同的。(2)温度计的使用方法。①测量时应将玻璃泡全部浸入被测液体中,不要碰到容器底或容器壁。②记录时应待温度计的示数稳定后读数。读数时,玻璃泡不能离开被测物体,视线必须与液柱的上表面相平。
Temperature and thermometer (1) temperature. The temperature is only related to the degree of hot and cold objects, and has nothing to do with the subjective feeling of the surveyor. For example, in winter, outdoor iron and wooden blocks, touch them by hand, will feel the iron blocks cold than wood, in fact, their temperature is the same. (2) the use of thermometers. ① glass bubbles should be measured all immersed in the measured liquid, do not touch the bottom of the container or container wall. ② record should be the number of thermometers to be stable reading. Reading, the glass bulb can not leave the measured object, the line of sight must be flat with the upper surface of the liquid column.