Model Hominid Tools from East Africa, 1.5-1.2 MYA, set of 6 Oldowan and Acheulean artifacts includes hand axes, choppers, a cleaver and spheroid tool from East Africa.
Model, Diamond Crystal, is surrounded by four atoms directed in space toward the vertices of a tetrahedron, The hardness and large density of the diamond, contains 66- 1 inch balls, Dimensions: 24 x 24 x 12 in, Weigh
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
Minerals Model Set, Build the most abundant silicate minerals including feldspar, quartz, olivine, pyroxenes, amphiboles, micas, clay minerals, Students Learn how models of silicate minerals are related to unit cell/crystal lattice structures, It has enough parts to construct
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, 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,
Model, Alpha- Corundum Crystal, is best known for its gem varieties, Ruby and Sapphire. Ruby and Sapphire are scientifically the same mineral, but just differ in color, Dimensions: 36 x 24 x 20 in, Weight: 8 lbs
Model, Sodium Chloride Crystal, also known as salt or halite, is an ionic compound with the chemical formula NaCl, representing a 1:1 ratio of sodium and chloride ions, Sodium Chloride contains 64 - 1 inch balls,
Drug testing model Set, Students act as members of a hospital administration who are responsible for developing a substance-abuse prevention/drug testing program, Students will explore the chemical and physical properties of five illicit drugs and build a model for each drug
Solar System Model, constructed three dimensional model is a great way to explain the solar system to students, mounted on a sturdy base. Includes a key, dimensions: 24x 14x 11 inch, Weight: 3 lbs
Model Ebola Virus 10000X, represents the virus magnified approximately 100000 times in its unique shape, surface shows the viral membrane with Glycoproteins, A cut-away at one end exposes internal structures major and minor matrix proteins polymerase protein and Ebola RNA
Seismograph Model creates a visual representation of the shock waves generated by an earthquake, Use to teach both mathematical and geological concepts by manually pulling the paper strip and recording simple movements made by jumping or moving, Pencil not included
Set of nine models, showing the following stages. 1. Embryo 6 days old 2. 1st month of gestation. 3. Uterus with embryo in 3rd month of gestation.4. Uterus with fetus, in 4th month. 5. Uterus with fetus, placenta and umbilical cord.6. 5th month. 7. 7th month pregnancy.
Model, Beryl Crystal, hexagonal, is a mineral composed of beryllium aluminium cyclosilicate with the chemical formula Be3Al2(Si O3)6, Pure beryl is colorless, Beryl contains 256- 1 inch balls, Dimensions: 36 x 24 x 24
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
Meiosis Model, Dimensions: 60 x 40 x 6 cm, Advantages: Chromosomes coloured according to modified AZAN staining colour, Cell components are colour-coded in accordance with educational aspects, Attaching magnets on the rear, Storage system, Enlarged 10, 000 times
Plant Cell Model, shows electron microscopic detail of a typical plant cell, It shows cellular structures, vacuoles, nuclear structure, plastids, mitochondria and more, It is mounted on a base and numbered with a key card
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, Physical Eye, can be used to demonstrate the optical functions of the human eye, Half eyeball with adjustable iris diaphragm, lens holder and 2 convex lenses (f = 65 mm and 80mm), on a rod, Dimensions: 49 x 5.5 x 18 cm, Weight: 2.45 kg