Convection of Gases Apparatus, consists of a metal box (22x10x11cm) with clear acrylic front panel, two glass chimneys, a candle and a cotton filled wick as the smoke source, Includes activity guide
Model, Magnesium Crystal, is a chemical element with symbol Mg and atomic number 12, It is a shiny gray solid which bears a close physical resemblance to the other five elements in the second colum, Dimensions: 15 x
Model, Copper Crystal, is a chemical element with symbol Cu (from Latin: cuprum) and atomic number 29, It is a soft, malleable and ductile metal with very high thermal and electrical conductivity, Dimensions: 12 x 12