3 common temperature scales

Answer 1

The three temperature scales that are most commonly used are Fahrenheit, Celsius and Kelvin. Celsius and Kelvin are similar in the sense that both use the same gradient; C+1 = K+1. The difference is that 0 degrees Celsius is the freezing point of water, whereas 0 degrees Kelvin is absolute zero, or -273.15 degrees Celsius. Fahrenheit follows a different gradient from Celsius and Kelvin, and therefore requires a formula slightly more tricky than a simple addition or subtraction (F=C*9/5+32 to be precise).

There is one more temperature Scale: Rankine. The Rankine is to Fahrenheit as Kelvin is to Celsius; 0 Rankine is absolute zero, but it follows the gradient of the Fahrenheit scale.

Answer 2

The Celsius (centigrade) scale is in use worldwide for common temperatures, both in commerce and weather. The Fahrenheit scale is used in the United States as a traditional weather, cooking, and industrial scale.

Following the Metric Conversion Act of 1975, the US National Institute of Standards and Technology officially adopted the Metric System (SI), including the Celsius scale. However, use of the "English" system continues and many thermometers have dual scales.

Answer 3

All three scales are measured in consistent intervals based on temperatures of known physical phenomena. The Celsius and Kelvin scales are both based on the same intervals (degrees), as determined between the freezing and boiling points of water - they only differ in the established zero point

(see related question)

Answer 4

The Fahrenheit and Celsius scales use different interval sizes (both confusingly called "degrees") for a given range of temperatures. Each of the three main scales has a different zero point (starting point).

Conversion Formulas

Fahrenheit = (Celsius * 9/5) + 32

Celsius = (Fahrenheit - 32) * 5/9

Kelvin = Celsius + 273

Defined Points

Boiling for Fahrenheit is 212 degrees. The freezing point is 32 degrees.

Boiling for Celsius is 100 degrees. The freezing point is 0 degrees.

The difference between boiling and freezing for Fahrenheit is 180 degrees.

The difference between boiling and freezing for Celsius is 100 degrees.

The ratio of the two, 180/100 = 9/5, is the scaling factor in the two equations. Then the +32 is for shifting the lower basis by 32 degrees.

The Kelvin scale was defined when the scientist William Thomson (1st Baron Kelvin) calculated the absolute minimum thermal energy an object can have. He decided to shift the Celsius scale so that 0 would be equivalent to having zero thermal energy (aka absolute zero).

The 3 temperature scales look like this:

1. ºC

2. ºF

3. º

Answer 5

I assume you refer to the celsius, Fahrenheit and kelvin scales, which are the most common, although there are others, such as the rankine scale.

Well, the celsius and kelvin scales are very similar. The celsius scale is based on the freezing (0°C) and boiling point (100°C) of pure water at sea level, and is used for common day to day applications. The kelvin scale is based on the concept of absolute zero (0K/-273.15°C), a temperature at which matter contains zero thermal energy and all of its particles cease to move; and the "triple point of

Vienna Standard Mean Ocean Water (water specially prepared with a specified blend of hydrogen and oxygen isotopes)"-Wikipedia quote- which is 273.16K or 0.01°C. The kelvin scale is designed to have the same magnitud per unit of temperature as the Celsius and is used for most lab related temperature measurements. Its worth noting that to convert a specific temperature from the celsius scale to the kelvin scale, all you have to do is subtract 273.15 degrees from the first one.

The Fahrenheit scale is a bit more complicated. You see, the man who invented it based its zero point (0°F) by placing a thermometer in special type of brine made of ice, water, and ammonium chloride; and its 96°F reading by placing a thermometer in his wife´s mouth or armpit. It was used for the same purposes as the celsius scale up until the late 1970s in most countries. It was then replaced by the celsius scale. Specifically in the USA and a few other countries, it is still used for day to day applications. Its also worth noting that to convert a specific temperature in this scale to the celsius scale, you have to use the following formula: C=5/9(F-32) -Wikipedia quote.

Answer 6

Celsius is set up so water's freezing point is 0 and boiling is 100,

Kelven uses degrees the same size as Celsius, but starts at absolute zero, or about -273 degrees Celsius.

the Fahrenheit scale was originally set up so that the freezing point of brine was 0 degrees, but this was changed later, so it's really not relative to anything whatsoever, and makes no sense.

Answer 7

Celsius, Fahrenheit, and Kelvin.

Answer 8

kelvin cycle, celsius, and fahrenheit.