This lesson, presented by the National Nanotechnology Infrastructure Network, covers scanning probe microscopes. A scanning probe microscope traces "surface features by movement of a very fine pointed tip mounted on a...
This site from Public Broadcasting Service provides a hands-on activity for students to explore perspective with the famous "Distorted Room". The page contains a procedure, links to work sheets, and a materials list. ...
With its bold beak and talented talons, the bald eagle is perhaps one of the best symbols of the United States of America. Recently, the Nature program on PBS created this documentary to profile this majestic animal....
This is a brief overview of the Theory of Plate Tectonics. According to the theory, the Earth's surface layer, or lithosphere, consists of seven large and 18 smaller plates that move and interact in various ways. Along...
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