the most basic encyclopedia article topics for general instructions on constructing this list, and consult complete list of encyclopedia topics.

• Basic concepts

Physical system[?] - Physical observation[?] - Physical quantity - Physical state - Physical unit - Physical theory[?] - Physical experiment[?] -

• Theoretical concepts

Particle - Wave - Physical field[?] - Physical interaction[?] - Physical law - Fundamental force - Physical constant

• Basic quantities

Space - Length - Time - Mass - Charge - Energy - Matter - Potential - Force - Momentum - Velocity - Acceleration - Entropy - Temperature

• Subfields

Acoustics - Aerodynamics - Classical mechanics - Condensed matter physics - Cosmology - Dynamics - Electromagnetism - Hydrodynamics - Kinematics - Mathematical physics - Mechanics - Optics - plasma physics - Quantum physics - Relativity - Statics - Thermodynamics