Grades: 6-8; Subject areas: Science. (2003) Describes the interactions between the Earth, sun, and moon. Defines the shape of the Earth, explaining how the Earth's rotation on its axis and revolution around the sun cause day and night and the changing seasons. Explores the characteristics of the sun and moon. Illustrates how the moon revolves around the Earth, creating the moon's different phases, and how the sun is the central point of the solar system. Concludes with a 10-question video quiz. For the teacher's guide go to: https://drive.google.com/folderview?id=0B9ZT7PYcIjLfYUpZTmhKbkYyejA&usp=sharing