that feels warm, but science defines heat as the flow of energy from a warm object to a cooler object. ... Heat energy is the result of the movement of tiny particles called ATOMS, molecules or ions in solids, liquids and GASES....

temperature of two systems is the same when the systems are in thermal equilibrium. ... the degree of heat in a LIVING body, normally about 98.6°F (37°C) in humans.....

Celsius is a measurement of temperature in which 0 DEGREES represents the freezing point of water, and 100 degrees represents water's BOILING point at the standard atmosphere, which is the mean barometric pressure at the mean sea level. This temperature scale was developed by Swedish astronomer Andres Cean lsius in 1742....

an instrument used to measure temperature, esp one in which a thin column of liquid, such as mercury, expands and contracts within a graduated sealed tubeSee also clinical thermometer, gas thermometer, resistance thermometer, thermocouple, pyrometer.......

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