These twelve dark-line dinosaur drawings can be used as either a research or coloring activity. Overhead transparencies of the drawings can be projected to make large traced images of the animals. The site includes drawings of Ankylosaurus, Barosaurus, Coelophysis, Diplodocus, Iguanodon, Ornithomimus, Pachycephalosaurus, Parasaurolophus, Plateosaurus, Stegosaurus, Triceratops, and Tyrannosaurus rex. ... Full description.

This downloadable poster (36 in. by 60 in.) describes how minerals are used in household substances and objects, listed by name, with numbers corresponding to locations in a typical house. For example, in the kitchen, appliances contain steel and copper, clay minerals are found in china, and table salt contains the mineral halite. Full description.

This poster features a portrait of Gerardus Mercator on one side and examples of the eighteen most common map projections on the other. Each example includes a description that explains the properties and uses of the projection. There are also summary tables of projection properties, general uses, and geographic areas most suitable for mapping with a given projection. The poster is viewable online ... Full description.

This poster shows images of comets Hale-Bopp and Shoemaker-Levy 9. The accompanying text describes possible source regions for comets in our solar system, the behavior of comets as they approach the Sun, their possible role in the evolution of Earth, and significant dates in the study of comets. Full description.

This site consists of a gallery of artists' conceptions of catastrophic strikes on Earth by asteroids or comets, including the impact which occurred at the Cretaceous-Tertiary boundary and is suspected of causing mass extinction of the dinosaurs. Links to other related sites and a short movie of the Peekskill, New York meteorite, which fell in 1993, are also included. Full description.

Early Image is a collection of extinct-animal paintings and sketches produced before 1923 (and therefore in the public domain). Some of the works are of Victorian age and may lend atmosphere to a class emphasizing the history of geology. The works are divided into two categories; prehistoric life before KT and prehistoric life after KT. Full description.

This poster illustrates marine biologists' concerns about the effects of the oil slick from the 2011 Horizon Oil Spill and the use and impact of dispersants upon the life underwater. Full description.

This website provides images to visually communicate programs, projects, and events of the US Army Corps of Engineers. The library consists of photographs, illustrations, artwork, clipart, logos, maps, and posters of a majority of the Corps of Engineers civil and military projects from around the world. Users may search by Division/Center, District/Laboratory, Project/Title, Location/State, Graphic ... Full description.

This site provides three dimensional reconstructions of ants, stag beetles, german cockroaches, mosquitos, grasshoppers, water strider, fleas, mantises, termites, yellowjackets, flies, bees and blackwidow spiders. These images, some of which are animated, provide a clean and safe forum for exploring entomology. The website also contains an online insect ecology lecture, and information on biosemiotics ... Full description.

This illustrated story is about a seven year old girl whose father works as a town forester. The story is interspersed with facts about trees and teaches children about urban forests, ecosystems, foresters, and photosynthesis as well as the differences between broadleaf, conifer, deciduous, and evergreen trees. Full description.