What is the difference between Celsius and Kelvin?
Describe Celsius temperature scale. Describe Kelvin temperature scale. Explain absolute zero. Explain how to convert Celsius to Kelvin.
Learning objective:
Celsius (°C) is a temperature scale based on the freezing and boiling points of water, while Kelvin (K) is an absolute temperature scale. Celsius starts at 0° when water freezes, while Kelvin starts at 0K, which is equivalent to -273.15°C. Celsius is used for everyday temperatures, while Kelvin is used in scientific calculations.
Celsius and Kelvin: What's the Difference?
Celsius: A measure of temperature on a relative scale, where 0 degrees is the freezing point of water and 100 degrees is the boiling point of water. Kelvin: A measure of temperature on an absolute scale, where 0 degrees is absolute zero and 273.16K is the freezing point of water. Celsius to Kelvin Conversion: The equation to convert Celsius to Kelvin is C + 273.16 = K, where C is the temperature in Celsius and K is the temperature in Kelvin.
Concepts:
Celsius and Kelvin are both named after the Swedish astronomer, Anders Celsius. Celsius and Kelvin are the same scale, but the numbers are offset by 273.15 degrees. The kelvin is the only SI unit to be named after a person. 0 Kelvin is when all movement of particles stops.
Did you know?
Work together in pairs: Q: What is the formula for converting Celsius to Kelvin?
How do Celsius and Kelvin scales differ in their approach to measuring temperature?
Work together in pairs: What is the difference between Celsius and Kelvin temperatures, and how can this difference be used to determine the boiling point of water?
Brain break: Draw a rainbow-colored elephant doing a jumping jacks in high heels.
What is the boiling point of water in Celsius?
- 100 degrees
- 0 degrees
- -273.15 degrees
What is absolute zero in Kelvin?
- 0 Kelvin
- -273 Kelvin
- -100 Kelvin
At what temperature do Celsius and Kelvin scales have the same value?
- -100 degrees
- 0 degrees
- -273 degrees
Which temperature scale does not have negative values?
What is the freezing point of water in Celsius?
- 100 degrees
- 0 degrees
- -273.15 degrees