Fourmilab Switzerland
Earth and Moon Viewer
View a map of the Earth showing the day and night regions at this moment, or from the sun, the noon, the night side, and other points of view in this simulation. Illustrated.
Other
Why Does the Moon Go Through a Cycle of Phases?
In this thorough lesson plan site, the various phases of the moon are examined. Objectives are listed, procedures are clearly outlined, and there are links to worthwhile supplementary sites.