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, Aragonite Crystal, is a carbonate mineral, one of the two common, naturally occurring, crystal forms of calcium carbonate, CaCO3, It is formed by biological and physical processes, includes 44 1 inch balls,
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 Homo Sapiens Cro-Magnon 1 Cranium, 30,000-32,000 YA, discovered by L. Lartet and H. Christy on a cliff in 1868 (during the construction of railway lines in Les-Eyzies, France), Size: 21L x 15.2W X 17H (cm)
Model, Wurtzite Crystal, named after the mineral wurtzite, is a crystal structure for various binary compounds, It is an example of a hexagonal crystal system, Wurtzite contains 39 - 1 inch balls, Dimensions: 24 x 2
Model, Carbon Dioxide Crystal, is a colorless and odorless gas vital to life on Earth. This naturally occurring chemical compound is composed of a carbon atom covalently double bonded to two oxygen atoms, Dimension
Model, Cesium Chloride Crystal, is the inorganic compound with the formula CsCl. This colorless solid is an important source of caesium ions in a variety of niche applications, Dimensions: 24 x 12 x 12 in, Weight:
Model, Buckminster Fullerene C60, is a spherical fullerene molecule with the formula C60, It has a cage-like fused-ring structure (Truncated icosahedron) which resembles a soccer ball, contains 60- 1 inch balls
Model, Calcite (1/2 unit cell) Crystal, is a carbonate mineral and the most stable polymorph of calcium carbonate (CaCO3), The other polymorphs are the minerals aragonite and vaterite, includes 66 1 inch balls, Dimen
Model Homo Sapiens Cro-Magnon 1 Skull, 30,000-32,000 YA, was discovered by L. Lartet and H. Christy on a cliff in 1868 (during the construction of railway lines in Les-Eyzies, France), Size: 21.1L x 15.4W x 18.6H (cm)