Learn how to convert temperatures between Kelvin and Celsius scales in this comprehensive 23-minute video on thermodynamics fundamentals. Explore key concepts including SI units, water's boiling and freezing points, absolute zero, and the relationship between different temperature scales. Gain insights into thermal energy, work, efficiency, and mechanical advantage as part of an introduction to thermal chemistry and physics. Master essential temperature conversion techniques to enhance your understanding of thermodynamics principles and their practical applications.