The fifty states are listed alphabetically. Since 1997!
Read moreSauropods Educational Decorative Chart Dinosaur Poster 36 x 24 FREE SHIPPING 2 días ago
Sauropoda are an infraorder of saurischian («lizard-hipped») dinosaurs. Well-known genera include Brachiosaurus, Diplodocus, and Apatosaurus. Sauropods first appeared in the late Triassic Period. By the Late Jurassic (150 million years ago), sauropods were widespread.
Read moreHistory of the Earth Educational Geological Chart Poster 36 x 24 FREE SHIPPING 2 días ago
Heavier ores sunk to the center, resulting in gravity. The third through fifth pictures on the bottom row reflect the period covered by Eras of Life. Since 1997!
Read moreAvian Raptors - Birds of prey - Educational Chart Poster 24 x 36 FREE SHIPPING 2 días ago
There are sections on the falcons, hawks, eagles, harriers, Osprey, Secretary Bird, owls, vultures and buzzard. Based on recent DNA studies, this system uses cladistics to reconstruct the evolutionary family tree.
Read moreUnderstanding Earth Science Educational Chart Poster 24 x 36 FREE SHIPPING 2 días ago
Understanding Earth Science through space imagery. Since 1997! UNDERSTANDING EARTH SCIENCE.
Read moreMarsupials Educational & Decorative Chart Poster 24 x 36 FREE SHIPPING 2 días ago
Since 1997! There are 334 species. Around 200 are native to Australia and neighboring northern islands. They include the most well known, such as the kangaroos and the koala. The 100 or so New World species are generally small animals.
Read morePlant Kingdom Educational Decorative chart poster 24 x 36 FREE SHIPPING 2 días ago
Many representational species are shown. Since 1997!
Read moreMammals Educational Chart Poster 24 x 36 Free Shipping 3 días ago
The latter is divided into 19 subsections, one for each of the orders. Superb, highly detailed illustrations show 98 representative species, including everything from the aardvark to the zebra. Since 1997!
Read moreIntroduction to Gemstones Educational Decorative Poster 24 x 36 FREE SHIPPING 3 días ago
It explains the important “Four C’s” of gemstones – cut, clarity, color, and caret, followed by an introduction to other important qualities such as asterism, opalescence, hardness, and pattern. This is followed by an introduction to cabochons.
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