Fun facts about elements 1-20
SlayZombi 2:13 2013-09-01 09:25 17 096 98 6

Теги

elementscool science videoscool videoscool scienceinteresting videosinteresting science videosfun science videosfun videosvsaucevsauce2vsuace3vsauce4awesome scienceperiodictableperiodic table of elementscool elements factscool factsperiodic table fun factsfun facts about sciencefun science factsperiodic table of elements triviacool video about sciencesciencefun sciencePeriod 1 ElementPeriodic Table (Invention)