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## Temperature Scales

Fahrenheit, Celsius, and Kelvin are the three main scales used to measure temperature. The Celsius scale is the most widely used of the temperature scales globally. The Celsius scale is based upon the freezing and boiling points of water. It assigns the freezing point of water a value of 0 degrees and boiling point of water a value of 100 degrees at standard atmospheric pressure. The symbol $deg C$ is used to abbreviate degree Celsius.

The Fahrenheit scale is commonly used in the United States. Like the Celsius scale, it uses the freezing and boiling points of water as the basis of the scale. However, the Fahrenheit scale sets the freezing point of water at 32 degrees and the boiling point of water at 212 degrees at standard atmospheric pressure. The symbol $deg F$ is used to abbreviate degree Fahrenheit.

Kelvin is a temperature scale used by scientists. The Kelvin scale is based upon the lowest possible temperature of matter. As particles cool, they lose kinetic energy. The Kelvin scale uses the point where particles have the least amount of energy as its lowest value. This is known as absolute zero. Absolute zero equals 0 kelvin, therefore, the Kelvin scale only uses positive values. In the Kelvin scale, water freezes at 273.15 kelvin and boils at 373.15 kelvin. The symbol $"K"$ is used for kelvin temperatures and the scale does not use the word degree or its symbol.
1.
The temperature intervals of a Fahrenheit degree and kelvin are equal.
1. True
2. False
2.
The temperature intervals of a Celsius degree and a kelvin are equal.
1. True
2. False
3.
The temperature intervals of a degree Celsius and degree Fahrenheit are equal.
1. True
2. False
4.
What is the correct symbol notation when recording temperature with the Celsius scale?
1. $100 c$
2. $100 C$
3. $100degc$
4. $100degC$
5.
What is the correct symbol notation when recording temperature with the Kelvin scale?
1. $100 k$
2. $100 K$
3. $100degk$
4. $100degK$
6.
What is the correct symbol notation when recording temperature with the Fahrenheit scale?
1. $100 f$
2. $100 F$
3. $100degf$
4. $100degF$
7.
Which of the following temperatures is the same as absolute zero?
1. 0 degrees Celsius
2. -273.15 degrees Fahrenheit
3. 0 Kelvin
4. 0 degrees Fahrenheit
8.
If you are at sea level, at about what temperature does water boil on the Kelvin scale?
1. 0 K
2. 100 K
3. 273 K
4. 373 K
9.
A weather station reported that in July the average high temperature in Milwaukee, Wisconsin, was 80. Which temperature scale was most likely used to report this temperature?
1. Kelvin
2. Celsius
3. Fahrenheit
10.
A weather station reported that July was the hottest month last year in Shanghai, China. The average high temperature in July was 32. Which temperature scale was most likely used to report this temperature?
1. Kelvin
2. Celsius
3. Fahrenheit
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