Students learn about the conservation of energy, aspects that affect energy in a system such as pressure and temperature, and to gain a better understanding of concepts such as entropy.

Learn what conservation of energy means, and how it can make solving problems easier.

This Kahn Academy tutorial helps students understand the principles of conservation of energy and mass. [10 min, 6 sec]

Review the equations and skills related to gravitational potential energy at large distances, including how to apply conservations laws to objects in orbit.

Learn about the life and scientific discoveries of Hermann von Helmholtz in this article.