Giving ways of benefiting from basic concepts in physics and physical principles that will make our life easier

Mechanics: motion, velocity and acceleration, mass and force, equilibrium, work and energy conservation, simple machines, momentum, earth and space systems; movements of the earth, the planets and the universe, gravity. Pressure and liquids. Heat and Temperature: heat sources, dissemination, insulation, impact, expansion, and the environmental impact of the change of state. Waves and Propagation: light sources, material migration, diffusion, reflection, mirrors, refraction, lenses, eye and vision, eye defects, optical instruments. Sound: occurrence, distribution, characteristics, isolation, registration. Electricity: electrical forces, electrical fields, electric potential, electric current, resistance and variable resistance, Ohm's Law, electric power plants, transportation and use of electrical energy.