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Temperature is a physical quantity that quantitatively expresses the attribute of hotness or coldness.Temperature is measured with a thermometer.It reflects the average kinetic energy of the vibrating and colliding atoms making up a substance.
The term degree is used in several scales of temperature, with the notable exception of kelvin, primary unit of temperature for engineering and the physical sciences. The degree symbol ° is usually used, followed by the initial letter of the unit; for example, "°C" for degree Celsius. A degree can be defined as a set change in temperature ...
One of the most common devices for measuring temperature is the glass thermometer. This consists of a glass tube filled with mercury or some other liquid, which acts as the working fluid. Temperature increase causes the fluid to expand, so the temperature can be determined by measuring the volume of the fluid.
A temperature interval of 1 °F was equal to an interval of 5 ⁄ 9 degrees Celsius. With the Fahrenheit and Celsius scales now both defined by the kelvin, this relationship was preserved, a temperature interval of 1 °F being equal to an interval of 5 ⁄ 9 K and of 5 ⁄ 9 °C. The Fahrenheit and Celsius scales intersect numerically at −40 ...
Weather Words: Microburst. Jennifer Gray. Updated February 3, 2025 at 5:16 AM. Thunderstorms create enough hazards on their own, such as lightning, hail and tornadoes - however, microbursts can be ...
Effective temperature, of a body such as a star or planet; Human body temperature; Fever or "having a temperature", the elevation of the body temperature; Noise temperature, a measure of the noise of an electronic component; Temperature (softmax function), a parameter that alters the entropy of the softmax function or Boltzmann distribution
Experts say the main reason this occurs is because of the lack of sunlight in the winter months, which leads to a loss of Vitamin D, increased melatonin production and a serotonin imbalance - all ...
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