Moon

Phases of the Moon
http://can-do.com/science/moonphases/moonphases.html
All third grade students complete a "moon journal," observing the moon for a month and keeping track of what they see. This web site show the moon's position as it revolves around the Earth, helping children understand why the moon looks the way it does at different times. The moon phase view from Earth is also given.
Moon Phases
http://tycho.usno.navy.mil/vphase.html
Photos of moon phases, with a live update of the current phase of the moon. Students can enter any date and time to view the phase of the moon.

  
Zoom Astronomy
http://www.enchantedlearning.com/subjects/astronomy/
Information on the moon, sun, and planets.