+Internal Energy represents the total energy contained within a [Thermodynamic System](/wiki/thermodynamic_system), excluding the kinetic and potential energy of the system as a whole. It is the sum of the microscopic [Kinetic Energy](/wiki/kinetic_energy) and [Potential Energy](/wiki/potential_energy) of its constituent particles, reflecting the motion and interaction of atoms and molecules.
+## See also
+- [Thermodynamics](/wiki/thermodynamics)
+- [Heat](/wiki/heat)
+- [Work](/wiki/work)
... 1 more lines