Teach how to code it - free lesson plan at steamcoded.org/lessons Interactive model of the first 18 elements of the periodic table (in SVG) at steamcoded.org/images/atoms.svg and on the science page steamcoded.org/science.html
動畫原子
animated、atom、atomic、chemistry、electron、icon、neutron、nucleus、proton、science、STEAM、STEAMcoded.org、STEM
動畫、原子、原子、化學、電子、圖標、中子、核、質子、科學、蒸汽、steam code的.org、幹
資料來源：openclipart ( https://openclipart.org/ )