Search for tag: "minerals"

02:19 2015 Chemistry Magic Show - Thermite Reaction 2015 Chemistry Magic Show - Thermite Reaction	2015 Chemistry Magic Show - Thermite Reaction chemical element poor metals iron and steel synthetic and plastic natural resources aluminum cameras public rust (iron oxides) railroad traffic iron non ferrous metal 2015 train rails transition metals chemistry metals & minerals chemistry magic show caption complete From Greg.Allison 171 plays
01:08 2015 Chemistry Magic Show - Minerals 2015 Chemistry Magic Show - Minerals	2015 Chemistry Magic Show - Minerals materials science natural resources public 2015 materials carbonate minerals calcite metals & minerals minerals chemistry magic show caption complete From Greg.Allison 5 plays