Physical education and training 666 Physics 536 Physical fitness 308 Mathematical physics 225 Sports 176 Study and teaching 152 Chemistry, Physical and theoretical 142 Physical education for children 139 Exercise 136 History 109 Physiological aspects 100 Particles (Nuclear physics) 87 Physical geography 84 Solid state physics 81 Nuclear physics 76 Mathematics 75 Curricula 69 Philosophy 64 Study and teaching (Secondary) 63 Psychological aspects 62 Relativity (Physics) 61 Social aspects 61 Quantum theory 60 Physical distribution of goods 59 Surfaces (Physics) 58 Management 54 Physically handicapped 54 Training of 51 Testing 49 Research 47