初中物理复习资料2 (概念)(国外英文资料).docVIP

初中物理复习资料2 (概念)(国外英文资料) The first part is the basic concept I. mechanical part 1 physics 2 units 3, measurement error 4, quality 5. Mechanical movement 6, speed 7, uniform linear motion 8 density 9, force 10, the three elements of force 11, the icon of force 12, gravity 13, sliding friction 14, two force balance 15, inertia 16, non-equilibrium force 17, pressure 18, pressure 19, atmospheric pressure 20, buoyancy 21, arm of force 22, leverage balance 23, merit 24, power 25 、 study hard 26, extra work 27, work 28, mechanical efficiency 29, can 30, kinetic energy 31. Gravitational potential energy 32. Elastic potential energy 33 mechanical energy Two, the thermal part 1, temperature 2, melt 3, vaporization 4, boiling 5 crystal 6, melting point 7, liquefied 8, evaporation 9, boiling point 10, sublimation 11, sublimation 12, calories 13, calorific value 14, specific heat capacity 15 internal energy Three. Optical part 1. Light source 2, the reflection of light 3. Refraction of light 4. Reversible light path 5, specular reflection 6 diffuse reflection 7 focal length 8, the virtual image Four. Electrical part 1, magnetic 2, magnet 3, magnetic pole 4, magnetic field 5, positive charge 6, negative charge 7, circuit 8, short circuit 9 、 series circuit 10 、 parallel circuit 11, conductor 12, insulators 13, current 14, electricity 15, current strength 16, voltage 17, resistance 18, rheostat 19 、 resistance measurement by voltammetry 20, right-handed spiral rule 21 electromagnet 22 electromagnetic induction phenomenon 23, electrical work 24. Electric power 25, rated power 26 、 rated voltage The second part is the basic theory I. mechanical part 1. Study the basic methods of physics: 2. Basic tools for measuring length: 3. Unit of length: 4, length of international master unit: 5, the choice of measuring tools is related to measurement requirements 6, the method of reducing errors is: 7. Quality is the property of matter and does not change with shape, state, position, and tempe