Curated OER
Contour Drawing
Students create a contour drawing of a hand creating an illusion of depth. After a brief demonstration of contour drawing, students practice by creating pictures of various objects. The final project consists of creating a contour...
Exploratorium
Exploratorium: Panama Pacific International Exposition 3 D
View one hundred sets of stereographic images of the Panam-Pacific International Exposition. The site also explains how to make 3-D glasses that enable you to see the images in all their glory.
NASA
Nasa: Misr Crossword
This site from the National Aeronautics and Space Administration provides information on the MISR, the multi-eyed Earth watcher and then use the information learned to solve the crossword puzzle.