The document discusses the phases of the moon. It begins with an introduction to the moon and its phases. It then provides details on each phase of the moon - New Moon, Waxing Crescent, First Quarter, Waxing Gibbous, Full Moon, Waning Gibbous, Third Quarter, and Waning Crescent. Activities are included, such as a modeling activity to demonstrate how the moon orbits the Earth. The document concludes with recapping the phases of the moon and providing an assignment to observe and draw the moon's current phase.