At the time of the day we often feel the heat and when we say high temperatures. At the time of the morning, sometimes we feel cold, and we say low temperatures. What’s the temperature? Temperature is a physical property of matter that quantitatively expresses the common notions of hot and cold. Objects of low temperature are cold, while various degrees of higher temperatures are referred to as warm or hot.

How does the temperature is expressed by a quantitative scale and with what we measure temperature? Quantitatively, temperature is measured with thermometers, which may be calibrated to a variety of temperature scales. Continue reading →