Science Education Resource Center at Carleton College
Serc: Exploration of Shadows: Earth, Moon, Sun System: Moon Phases Eclipses
A guided inquiry where middle schoolers participate in the simulation of moon phases and eclipses.
Michigan Reach Out
Reach Out michigan.org: Phases of the Moon
This site explains the phases of the moon and an easy way to remember waxing and waning. Students have to explain a given phase to their classmates with a model.