Physical Phenomena

Absorption [G01.015]
Adsorption [G01.030]
Astronomical Phenomena [G01.060]
Biophysical Phenomena [G01.154]
Diffusion [G01.202]
Doppler Effect [G01.226]
Elementary Particle Interactions [G01.238]
Elementary Particles [G01.249]
Filtration [G01.280]
Geological Phenomena [G01.311]
Hydrodynamics [G01.342]
Magnetic Phenomena [G01.358]
Mechanical Phenomena [G01.374]
Motion [G01.482]
Nuclear Energy [G01.536]
Optical Phenomena [G01.590]
Phase Transition [G01.645]
Radiation [G01.750]
Radioactivity [G01.828]
Scattering, Radiation [G01.867]
Thermodynamics [G01.906]
Time [G01.910]