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What is Temperature?

Temperature (represented as “T” in scientific formulae) is a physical quantity for measuring heat or , in other words, the degree degree of hotness or coldness of a surface, object or environment.


Why is Temperature important?

Temperature is important in all fields of natural science. Temperature is an integral part of the natural physical laws that govern the observable phenomena in our world including weather and climate.

Equally relevant, though smaller in scale is the importance of temperature (heat) in the laws that govern the interactions between the smallest of particles (atoms and molecules) that make up our universe: the Laws of Thermodynamics. It follows that phenomena that we observe in our environment on a daily basis are these same atomic interactions, played out at an immensely larger scale.

Water is the best example to illustrate the above statement. Temperature affects the physical state of water (as a result of its effect on the interactions between water molecules), resulting in three distinct physical states: water vapour (gas), liquid water and ice (solid). These physical states are seen in everyday weather phenomena such clouds. Clouds are formed by water vapor condensing into liquid water as it cools and ,later, in larger quantities as precipitation such as rain and, provided it is cold enough, snow or hail (ice). Therefore, temperature plays a keys role in the Water cycle which is critical to life on Earth.

As demonstrated by the example of the water cycle, it is important to note the relationship of temperature with both Humidity and Atmospheric Pressure as it is difficult to separate their influence from temperature readings as well as to separate the influence of temperature on the measurement of atmospheric pressure and humidity.

How is Temperature measured?

Temperature is measured using a thermometer, where several scales and units are used. The most common of these scales are the Celsius scale, (units denoted as ℃), the Fahrenheit scale (℉) and, particularly in science, the Kelvin scale (K).

In the case of ☒CHIPS, temperature is measured by the advanced weather sensor on the ☒CHIP SW01.

Temperature scales.jpg