The Exploratorium web site contains a collection of virtual interactive exhibits, presentations, activities, and science news from the Exploratorium Museum in San Francisco, California. An area is dedicated to provide teachers with ideas on how to obtain cow eyes for dissection and helpful hints on conducting the actual dissection with students in the classroom.
Homepage is the world's most comprehensive web site that deals with space and space exploration.
This site is extensive and you can find yourself spending many hours in awe looking at space photos and learning about the many famous NASA missions. New articles are put on-line daily. Each month, Discovery Channel Online features an interesting virtual science fieldtrip. A great enrichment resource resource for all science classrooms. The Space and Science Museum and Natural History Museum may be of particular interest.