Science Knowledge 2词汇表

stomach brain lung heart epithelial cell muscle cell nerve cell nerve tissue nerve connective muscle tissue connective tissue muscle epithelial organ tissue cancer chromosome differentiation division growth deoxyribonucleic acid DNA CW mitochondrion chloroplast molecule wall cytoplasm nucleus cell membrane robert energy chain web food chain decomposer consumer producer ecosystem ecological biosphere virus seed fungi organic compound plant animal organism work electric energy ohm resistance volt voltage ampere power supply electric circuit cell electric current insulator conductor electric charge column charge positive charge engine heat capacity quantity motion thermal diffusion acceleration neutron proton electron velocity mechanical microgram combination approximately thermometer alcohol lamp aerogel reverse increasingly experiment condensation sublimate sublimation evaporation solidification melting compression diethyl metal soft pine gaseous solidity aluminium electromagnetic thermology mechanics heat newton pinhole portrait image enlarge amplification convert counterevidence physicist curvilinear rectilinear move value vector analysis variable graduate cylinder iron break width forceps nipper pincer tweezer crossbeam sliding rider poise counter counterweight weight scale balance metric milligram ton kilogram gram cube specific thickness density measure coverage area dimension bulk size aspect orientation direction primary optical concave lenticular convex glass lens normal line normal entrance incident specular direct diffused internal total mirror reflection refraction model STRAIGHT LINE light hertz rate frequency vibration oscillation amplitude vol sonority sensitivity loudness volume musical quality quality musical tone color timbre tonality tune note intonation accent pitch tone pitchfork diapason tuning fork fast per shake sound wave sound formula measurement speed micrometer microsecond millisecond millennium century day hour minute second chronograph watch clock nanometer micron millimeter centimeter decimeter kilometer kilo meter ruler long length matter mass hypotenuse theorem pythagorean baseline mid midpoint bisector height center line median interior angle exterior angle