Moon Phases and Eclipses:
Content Resources for the Pre-Service Educator
A Private Universe has videos, teacher workshops, activities, surveys, and forums for discussion.
A powerpoint with information on the Moon and its orbit and statistics is LPI Earth-Moon Statistics Powerpoint
A powerpoint on Lunar Phases and Eclipses is LPI Lunar Phases and Eclipses Powerpoint
One of the best eclipse information sites is Mr. Eclipse: http://www.mreclipse.com/MrEclipse.html