Grades: 6-8; Subject areas: Science. (2003) Explores the inner planets, describes the nebular hypothesis, and illustrates the general design of the solar system. Details the characteristics, rotations and orbits of Mercury, Venus, Earth, and Mars. Illustrates how these planets travel in elliptical orbits around the sun. Combines graphics and photographs from space to provide images of these inner planets, defining their properties and surface geology. Concludes with a 10-question video quiz. For the teacher's guide go to: https://drive.google.com/folderview?id=0B9ZT7PYcIjLfYUpZTmhKbkYyejA&usp=sharing