Kelvin

Kelvin is a unit of temperature measurement in the International System of Units (SI). It is the base unit of temperature and is used in scientific and engineering applications. Unlike the Celsius and Fahrenheit scales, which are based on the freezing and boiling points of water, the Kelvin scale is based on absolute zero, the theoretical point at which all molecular movement ceases.

Key Points to Remember

• Kelvin is the base unit of temperature in the SI system.
• It is based on absolute zero, the point at which all molecular movement ceases.
• The freezing point of water is 273.15 K and the boiling point of water is 373.15 K.
• Kelvin scale does not use the degree symbol (°).

Study Guide

When studying about Kelvin, it is important to understand the concept of absolute zero and how it relates to molecular motion. Additionally, familiarize yourself with the conversion between Kelvin and Celsius by using the formula: K = °C + 273.15. Practice converting temperatures between Kelvin and Celsius to reinforce your understanding of the Kelvin scale.

It can also be helpful to learn about real-life applications of Kelvin, such as its use in scientific research, space exploration, and industrial processes.