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
Tectonics Model, provide students with an innovative look at plate tectonics with this hand-painted plastic model, showing detailed representations of the earth layers. Both active and passive margins are shown, Oceanic floor spreading is also well-characterized
Model, Chimpanzee Skull (Pan troglodytes), Female. Replica, suitable for comparative studies, With detailed description of distinctive features, The templates for the castings were original skulls, Dimensions: 17 x 11.5 x 14 cm, weight: 0.62 kg
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, Olivine Crystal, is a magnesium iron silicate with the formula (Mg+2, Fe+2)2SiO4, Thus it is a type of nesosilicate or orthosilicate, contains 109 - 1 inch balls, Dimensions: 38 x 30 x 20 in, Weight: 9 lbs